Home / 1,010,648.55-1,515,972.83-411,301.20

Finding the Fourth Proportional to 1,010,648.55, 1,515,972.83 and 411,301.20

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Solution

The fourth proportional to 1,010,648.55, 1,515,972.83 and 411,301.20 is: 616,951.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,648.55 : 1,515,972.83 = 411,301.20 : x
  2. Step 2: Convert to fraction form
    1,010,648.55/1,515,972.83 = 411,301.20/x
  3. Step 3: Cross multiply
    1,010,648.55x = 1,515,972.83 × 411,301.20
  4. Step 4: Simplify right side
    1,010,648.55x = 623,521,442,089.89
  5. Step 5: Solve for x
    x = 623,521,442,089.89/1,010,648.55
  6. Step 6: Final answer
    x = 616,951.80

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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.