Home / 1,088,947.20-1,502,831.04-653,380.80

Finding the Fourth Proportional to 1,088,947.20, 1,502,831.04 and 653,380.80

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Solution

The fourth proportional to 1,088,947.20, 1,502,831.04 and 653,380.80 is: 901,715.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,947.20 : 1,502,831.04 = 653,380.80 : x
  2. Step 2: Convert to fraction form
    1,088,947.20/1,502,831.04 = 653,380.80/x
  3. Step 3: Cross multiply
    1,088,947.20x = 1,502,831.04 × 653,380.80
  4. Step 4: Simplify right side
    1,088,947.20x = 981,920,947,180.03
  5. Step 5: Solve for x
    x = 981,920,947,180.03/1,088,947.20
  6. Step 6: Final answer
    x = 901,715.85

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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.