Home / 971,839.20-1,457,758.80-723,007.20

Finding the Fourth Proportional to 971,839.20, 1,457,758.80 and 723,007.20

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Solution

The fourth proportional to 971,839.20, 1,457,758.80 and 723,007.20 is: 1,084,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,839.20 : 1,457,758.80 = 723,007.20 : x
  2. Step 2: Convert to fraction form
    971,839.20/1,457,758.80 = 723,007.20/x
  3. Step 3: Cross multiply
    971,839.20x = 1,457,758.80 × 723,007.20
  4. Step 4: Simplify right side
    971,839.20x = 1,053,970,108,263.36
  5. Step 5: Solve for x
    x = 1,053,970,108,263.36/971,839.20
  6. Step 6: Final answer
    x = 1,084,510.80

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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.