Home / 1,101,511.02-1,651,892.31-381,684.72

Finding the Fourth Proportional to 1,101,511.02, 1,651,892.31 and 381,684.72

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Solution

The fourth proportional to 1,101,511.02, 1,651,892.31 and 381,684.72 is: 572,397.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,511.02 : 1,651,892.31 = 381,684.72 : x
  2. Step 2: Convert to fraction form
    1,101,511.02/1,651,892.31 = 381,684.72/x
  3. Step 3: Cross multiply
    1,101,511.02x = 1,651,892.31 × 381,684.72
  4. Step 4: Simplify right side
    1,101,511.02x = 630,502,053,812.50
  5. Step 5: Solve for x
    x = 630,502,053,812.50/1,101,511.02
  6. Step 6: Final answer
    x = 572,397.41

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Double scale
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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.