Home / 993,744.42-1,371,018.04-649,781.68

Finding the Fourth Proportional to 993,744.42, 1,371,018.04 and 649,781.68

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Solution

The fourth proportional to 993,744.42, 1,371,018.04 and 649,781.68 is: 896,470.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,744.42 : 1,371,018.04 = 649,781.68 : x
  2. Step 2: Convert to fraction form
    993,744.42/1,371,018.04 = 649,781.68/x
  3. Step 3: Cross multiply
    993,744.42x = 1,371,018.04 × 649,781.68
  4. Step 4: Simplify right side
    993,744.42x = 890,862,404,687.68
  5. Step 5: Solve for x
    x = 890,862,404,687.68/993,744.42
  6. Step 6: Final answer
    x = 896,470.35

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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.