Home / 1,332,699.60-1,999,047.86-434,139.90

Finding the Fourth Proportional to 1,332,699.60, 1,999,047.86 and 434,139.90

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Solution

The fourth proportional to 1,332,699.60, 1,999,047.86 and 434,139.90 is: 651,209.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,699.60 : 1,999,047.86 = 434,139.90 : x
  2. Step 2: Convert to fraction form
    1,332,699.60/1,999,047.86 = 434,139.90/x
  3. Step 3: Cross multiply
    1,332,699.60x = 1,999,047.86 × 434,139.90
  4. Step 4: Simplify right side
    1,332,699.60x = 867,866,438,035.61
  5. Step 5: Solve for x
    x = 867,866,438,035.61/1,332,699.60
  6. Step 6: Final answer
    x = 651,209.35

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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.