Home / 1,078,315.54-1,616,621-538,294.66

Finding the Fourth Proportional to 1,078,315.54, 1,616,621 and 538,294.66

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Solution

The fourth proportional to 1,078,315.54, 1,616,621 and 538,294.66 is: 807,016.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,315.54 : 1,616,621 = 538,294.66 : x
  2. Step 2: Convert to fraction form
    1,078,315.54/1,616,621 = 538,294.66/x
  3. Step 3: Cross multiply
    1,078,315.54x = 1,616,621 × 538,294.66
  4. Step 4: Simplify right side
    1,078,315.54x = 870,218,451,543.86
  5. Step 5: Solve for x
    x = 870,218,451,543.86/1,078,315.54
  6. Step 6: Final answer
    x = 807,016.52

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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.