Home / 1,011,502.78-1,395,754.83-558,766.78

Finding the Fourth Proportional to 1,011,502.78, 1,395,754.83 and 558,766.78

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Solution

The fourth proportional to 1,011,502.78, 1,395,754.83 and 558,766.78 is: 771,032.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,502.78 : 1,395,754.83 = 558,766.78 : x
  2. Step 2: Convert to fraction form
    1,011,502.78/1,395,754.83 = 558,766.78/x
  3. Step 3: Cross multiply
    1,011,502.78x = 1,395,754.83 × 558,766.78
  4. Step 4: Simplify right side
    1,011,502.78x = 779,901,432,028.55
  5. Step 5: Solve for x
    x = 779,901,432,028.55/1,011,502.78
  6. Step 6: Final answer
    x = 771,032.42

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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.