Home / 1,128,267.10-1,692,649.82-418,295.16

Finding the Fourth Proportional to 1,128,267.10, 1,692,649.82 and 418,295.16

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Solution

The fourth proportional to 1,128,267.10, 1,692,649.82 and 418,295.16 is: 627,535.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,267.10 : 1,692,649.82 = 418,295.16 : x
  2. Step 2: Convert to fraction form
    1,128,267.10/1,692,649.82 = 418,295.16/x
  3. Step 3: Cross multiply
    1,128,267.10x = 1,692,649.82 × 418,295.16
  4. Step 4: Simplify right side
    1,128,267.10x = 708,027,227,280.87
  5. Step 5: Solve for x
    x = 708,027,227,280.87/1,128,267.10
  6. Step 6: Final answer
    x = 627,535.12

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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.