Home / 1,630,355.10-2,445,532.65-999,624.30

Finding the Fourth Proportional to 1,630,355.10, 2,445,532.65 and 999,624.30

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Solution

The fourth proportional to 1,630,355.10, 2,445,532.65 and 999,624.30 is: 1,499,436.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,355.10 : 2,445,532.65 = 999,624.30 : x
  2. Step 2: Convert to fraction form
    1,630,355.10/2,445,532.65 = 999,624.30/x
  3. Step 3: Cross multiply
    1,630,355.10x = 2,445,532.65 × 999,624.30
  4. Step 4: Simplify right side
    1,630,355.10x = 2,444,613,863,383.40
  5. Step 5: Solve for x
    x = 2,444,613,863,383.40/1,630,355.10
  6. Step 6: Final answer
    x = 1,499,436.45

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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.