Home / 1,630,354.10-2,445,531.15-999,623.30

Finding the Fourth Proportional to 1,630,354.10, 2,445,531.15 and 999,623.30

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Solution

The fourth proportional to 1,630,354.10, 2,445,531.15 and 999,623.30 is: 1,499,434.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,354.10 : 2,445,531.15 = 999,623.30 : x
  2. Step 2: Convert to fraction form
    1,630,354.10/2,445,531.15 = 999,623.30/x
  3. Step 3: Cross multiply
    1,630,354.10x = 2,445,531.15 × 999,623.30
  4. Step 4: Simplify right side
    1,630,354.10x = 2,444,609,918,415.80
  5. Step 5: Solve for x
    x = 2,444,609,918,415.80/1,630,354.10
  6. Step 6: Final answer
    x = 1,499,434.95

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.