Home / 1,011,503.28-1,395,755.52-558,767.28

Finding the Fourth Proportional to 1,011,503.28, 1,395,755.52 and 558,767.28

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Solution

The fourth proportional to 1,011,503.28, 1,395,755.52 and 558,767.28 is: 771,033.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,503.28 : 1,395,755.52 = 558,767.28 : x
  2. Step 2: Convert to fraction form
    1,011,503.28/1,395,755.52 = 558,767.28/x
  3. Step 3: Cross multiply
    1,011,503.28x = 1,395,755.52 × 558,767.28
  4. Step 4: Simplify right side
    1,011,503.28x = 779,902,515,455.39
  5. Step 5: Solve for x
    x = 779,902,515,455.39/1,011,503.28
  6. Step 6: Final answer
    x = 771,033.11

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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.