Home / 1,232,391.12-1,700,668.38-688,531.02

Finding the Fourth Proportional to 1,232,391.12, 1,700,668.38 and 688,531.02

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Solution

The fourth proportional to 1,232,391.12, 1,700,668.38 and 688,531.02 is: 950,155.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,391.12 : 1,700,668.38 = 688,531.02 : x
  2. Step 2: Convert to fraction form
    1,232,391.12/1,700,668.38 = 688,531.02/x
  3. Step 3: Cross multiply
    1,232,391.12x = 1,700,668.38 × 688,531.02
  4. Step 4: Simplify right side
    1,232,391.12x = 1,170,962,934,363.15
  5. Step 5: Solve for x
    x = 1,170,962,934,363.15/1,232,391.12
  6. Step 6: Final answer
    x = 950,155.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.