Home / 1,223,011.92-1,687,699.62-679,182.24

Finding the Fourth Proportional to 1,223,011.92, 1,687,699.62 and 679,182.24

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Solution

The fourth proportional to 1,223,011.92, 1,687,699.62 and 679,182.24 is: 937,239.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,011.92 : 1,687,699.62 = 679,182.24 : x
  2. Step 2: Convert to fraction form
    1,223,011.92/1,687,699.62 = 679,182.24/x
  3. Step 3: Cross multiply
    1,223,011.92x = 1,687,699.62 × 679,182.24
  4. Step 4: Simplify right side
    1,223,011.92x = 1,146,255,608,358.75
  5. Step 5: Solve for x
    x = 1,146,255,608,358.75/1,223,011.92
  6. Step 6: Final answer
    x = 937,239.93

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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.