Home / 971,839.70-1,457,759.55-723,007.70

Finding the Fourth Proportional to 971,839.70, 1,457,759.55 and 723,007.70

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Solution

The fourth proportional to 971,839.70, 1,457,759.55 and 723,007.70 is: 1,084,511.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,839.70 : 1,457,759.55 = 723,007.70 : x
  2. Step 2: Convert to fraction form
    971,839.70/1,457,759.55 = 723,007.70/x
  3. Step 3: Cross multiply
    971,839.70x = 1,457,759.55 × 723,007.70
  4. Step 4: Simplify right side
    971,839.70x = 1,053,971,379,398.53
  5. Step 5: Solve for x
    x = 1,053,971,379,398.53/971,839.70
  6. Step 6: Final answer
    x = 1,084,511.55

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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.