Home / 1,011,510.23-1,517,484.05-538,126.79

Finding the Fourth Proportional to 1,011,510.23, 1,517,484.05 and 538,126.79

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Solution

The fourth proportional to 1,011,510.23, 1,517,484.05 and 538,126.79 is: 807,306.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,510.23 : 1,517,484.05 = 538,126.79 : x
  2. Step 2: Convert to fraction form
    1,011,510.23/1,517,484.05 = 538,126.79/x
  3. Step 3: Cross multiply
    1,011,510.23x = 1,517,484.05 × 538,126.79
  4. Step 4: Simplify right side
    1,011,510.23x = 816,598,823,823.75
  5. Step 5: Solve for x
    x = 816,598,823,823.75/1,011,510.23
  6. Step 6: Final answer
    x = 807,306.54

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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.