Home / 1,248,972.67-1,723,624.06-765,444.38

Finding the Fourth Proportional to 1,248,972.67, 1,723,624.06 and 765,444.38

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Solution

The fourth proportional to 1,248,972.67, 1,723,624.06 and 765,444.38 is: 1,056,338.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,972.67 : 1,723,624.06 = 765,444.38 : x
  2. Step 2: Convert to fraction form
    1,248,972.67/1,723,624.06 = 765,444.38/x
  3. Step 3: Cross multiply
    1,248,972.67x = 1,723,624.06 × 765,444.38
  4. Step 4: Simplify right side
    1,248,972.67x = 1,319,338,349,959.78
  5. Step 5: Solve for x
    x = 1,319,338,349,959.78/1,248,972.67
  6. Step 6: Final answer
    x = 1,056,338.85

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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.