Home / 1,251,390.32-1,726,896.12-707,516.72

Finding the Fourth Proportional to 1,251,390.32, 1,726,896.12 and 707,516.72

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Solution

The fourth proportional to 1,251,390.32, 1,726,896.12 and 707,516.72 is: 976,360.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,390.32 : 1,726,896.12 = 707,516.72 : x
  2. Step 2: Convert to fraction form
    1,251,390.32/1,726,896.12 = 707,516.72/x
  3. Step 3: Cross multiply
    1,251,390.32x = 1,726,896.12 × 707,516.72
  4. Step 4: Simplify right side
    1,251,390.32x = 1,221,807,878,603.13
  5. Step 5: Solve for x
    x = 1,221,807,878,603.13/1,251,390.32
  6. Step 6: Final answer
    x = 976,360.34

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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.