Home / 1,128,266.10-1,692,648.32-418,294.16

Finding the Fourth Proportional to 1,128,266.10, 1,692,648.32 and 418,294.16

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Solution

The fourth proportional to 1,128,266.10, 1,692,648.32 and 418,294.16 is: 627,533.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,266.10 : 1,692,648.32 = 418,294.16 : x
  2. Step 2: Convert to fraction form
    1,128,266.10/1,692,648.32 = 418,294.16/x
  3. Step 3: Cross multiply
    1,128,266.10x = 1,692,648.32 × 418,294.16
  4. Step 4: Simplify right side
    1,128,266.10x = 708,024,896,635.10
  5. Step 5: Solve for x
    x = 708,024,896,635.10/1,128,266.10
  6. Step 6: Final answer
    x = 627,533.61

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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.