Home / 1,332,901.80-1,999,352.70-766,031.40

Finding the Fourth Proportional to 1,332,901.80, 1,999,352.70 and 766,031.40

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Solution

The fourth proportional to 1,332,901.80, 1,999,352.70 and 766,031.40 is: 1,149,047.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,901.80 : 1,999,352.70 = 766,031.40 : x
  2. Step 2: Convert to fraction form
    1,332,901.80/1,999,352.70 = 766,031.40/x
  3. Step 3: Cross multiply
    1,332,901.80x = 1,999,352.70 × 766,031.40
  4. Step 4: Simplify right side
    1,332,901.80x = 1,531,566,947,874.78
  5. Step 5: Solve for x
    x = 1,531,566,947,874.78/1,332,901.80
  6. Step 6: Final answer
    x = 1,149,047.10

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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.