Home / 1,003,897.92-1,385,381.28-551,217.60

Finding the Fourth Proportional to 1,003,897.92, 1,385,381.28 and 551,217.60

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Solution

The fourth proportional to 1,003,897.92, 1,385,381.28 and 551,217.60 is: 760,681.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,897.92 : 1,385,381.28 = 551,217.60 : x
  2. Step 2: Convert to fraction form
    1,003,897.92/1,385,381.28 = 551,217.60/x
  3. Step 3: Cross multiply
    1,003,897.92x = 1,385,381.28 × 551,217.60
  4. Step 4: Simplify right side
    1,003,897.92x = 763,646,544,246.53
  5. Step 5: Solve for x
    x = 763,646,544,246.53/1,003,897.92
  6. Step 6: Final answer
    x = 760,681.47

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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.