Home / 999,456.90-1,498,666.95-368,045.70

Finding the Fourth Proportional to 999,456.90, 1,498,666.95 and 368,045.70

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Solution

The fourth proportional to 999,456.90, 1,498,666.95 and 368,045.70 is: 551,877.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,456.90 : 1,498,666.95 = 368,045.70 : x
  2. Step 2: Convert to fraction form
    999,456.90/1,498,666.95 = 368,045.70/x
  3. Step 3: Cross multiply
    999,456.90x = 1,498,666.95 × 368,045.70
  4. Step 4: Simplify right side
    999,456.90x = 551,577,926,679.62
  5. Step 5: Solve for x
    x = 551,577,926,679.62/999,456.90
  6. Step 6: Final answer
    x = 551,877.65

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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.