Home / 1,630,254.30-2,445,381.45-1,210,350.30

Finding the Fourth Proportional to 1,630,254.30, 2,445,381.45 and 1,210,350.30

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Solution

The fourth proportional to 1,630,254.30, 2,445,381.45 and 1,210,350.30 is: 1,815,525.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,254.30 : 2,445,381.45 = 1,210,350.30 : x
  2. Step 2: Convert to fraction form
    1,630,254.30/2,445,381.45 = 1,210,350.30/x
  3. Step 3: Cross multiply
    1,630,254.30x = 2,445,381.45 × 1,210,350.30
  4. Step 4: Simplify right side
    1,630,254.30x = 2,959,768,171,621.94
  5. Step 5: Solve for x
    x = 2,959,768,171,621.94/1,630,254.30
  6. Step 6: Final answer
    x = 1,815,525.45

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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.