Home / 1,253,671.50-1,730,066.67-717,127.50

Finding the Fourth Proportional to 1,253,671.50, 1,730,066.67 and 717,127.50

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Solution

The fourth proportional to 1,253,671.50, 1,730,066.67 and 717,127.50 is: 989,635.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,671.50 : 1,730,066.67 = 717,127.50 : x
  2. Step 2: Convert to fraction form
    1,253,671.50/1,730,066.67 = 717,127.50/x
  3. Step 3: Cross multiply
    1,253,671.50x = 1,730,066.67 × 717,127.50
  4. Step 4: Simplify right side
    1,253,671.50x = 1,240,678,385,890.43
  5. Step 5: Solve for x
    x = 1,240,678,385,890.43/1,253,671.50
  6. Step 6: Final answer
    x = 989,635.95

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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.