Home / 1,011,384.28-1,395,591.42-558,648.28

Finding the Fourth Proportional to 1,011,384.28, 1,395,591.42 and 558,648.28

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Solution

The fourth proportional to 1,011,384.28, 1,395,591.42 and 558,648.28 is: 770,868.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,384.28 : 1,395,591.42 = 558,648.28 : x
  2. Step 2: Convert to fraction form
    1,011,384.28/1,395,591.42 = 558,648.28/x
  3. Step 3: Cross multiply
    1,011,384.28x = 1,395,591.42 × 558,648.28
  4. Step 4: Simplify right side
    1,011,384.28x = 779,644,746,365.76
  5. Step 5: Solve for x
    x = 779,644,746,365.76/1,011,384.28
  6. Step 6: Final answer
    x = 770,868.96

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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.