Home / 1,011,501.78-1,395,753.45-558,765.78

Finding the Fourth Proportional to 1,011,501.78, 1,395,753.45 and 558,765.78

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Solution

The fourth proportional to 1,011,501.78, 1,395,753.45 and 558,765.78 is: 771,031.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,501.78 : 1,395,753.45 = 558,765.78 : x
  2. Step 2: Convert to fraction form
    1,011,501.78/1,395,753.45 = 558,765.78/x
  3. Step 3: Cross multiply
    1,011,501.78x = 1,395,753.45 × 558,765.78
  4. Step 4: Simplify right side
    1,011,501.78x = 779,899,265,176.94
  5. Step 5: Solve for x
    x = 779,899,265,176.94/1,011,501.78
  6. Step 6: Final answer
    x = 771,031.04

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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.