Home / 1,011,463.55-1,395,819.71-558,754.55

Finding the Fourth Proportional to 1,011,463.55, 1,395,819.71 and 558,754.55

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Solution

The fourth proportional to 1,011,463.55, 1,395,819.71 and 558,754.55 is: 771,081.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,463.55 : 1,395,819.71 = 558,754.55 : x
  2. Step 2: Convert to fraction form
    1,011,463.55/1,395,819.71 = 558,754.55/x
  3. Step 3: Cross multiply
    1,011,463.55x = 1,395,819.71 × 558,754.55
  4. Step 4: Simplify right side
    1,011,463.55x = 779,920,619,350.45
  5. Step 5: Solve for x
    x = 779,920,619,350.45/1,011,463.55
  6. Step 6: Final answer
    x = 771,081.29

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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.