Home / 1,011,164.31-1,393,488.36-724,186.17

Finding the Fourth Proportional to 1,011,164.31, 1,393,488.36 and 724,186.17

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Solution

The fourth proportional to 1,011,164.31, 1,393,488.36 and 724,186.17 is: 998,002.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,164.31 : 1,393,488.36 = 724,186.17 : x
  2. Step 2: Convert to fraction form
    1,011,164.31/1,393,488.36 = 724,186.17/x
  3. Step 3: Cross multiply
    1,011,164.31x = 1,393,488.36 × 724,186.17
  4. Step 4: Simplify right side
    1,011,164.31x = 1,009,144,998,367.98
  5. Step 5: Solve for x
    x = 1,009,144,998,367.98/1,011,164.31
  6. Step 6: Final answer
    x = 998,002.98

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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.