Home / 1,330,359.90-1,996,792.65-699,726.30

Finding the Fourth Proportional to 1,330,359.90, 1,996,792.65 and 699,726.30

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Solution

The fourth proportional to 1,330,359.90, 1,996,792.65 and 699,726.30 is: 1,050,248.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,359.90 : 1,996,792.65 = 699,726.30 : x
  2. Step 2: Convert to fraction form
    1,330,359.90/1,996,792.65 = 699,726.30/x
  3. Step 3: Cross multiply
    1,330,359.90x = 1,996,792.65 × 699,726.30
  4. Step 4: Simplify right side
    1,330,359.90x = 1,397,208,332,851.70
  5. Step 5: Solve for x
    x = 1,397,208,332,851.70/1,330,359.90
  6. Step 6: Final answer
    x = 1,050,248.38

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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.