Home / 1,725,412.19-2,381,078.30-1,000,689.66

Finding the Fourth Proportional to 1,725,412.19, 2,381,078.30 and 1,000,689.66

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Solution

The fourth proportional to 1,725,412.19, 2,381,078.30 and 1,000,689.66 is: 1,380,957.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725,412.19 : 2,381,078.30 = 1,000,689.66 : x
  2. Step 2: Convert to fraction form
    1,725,412.19/2,381,078.30 = 1,000,689.66/x
  3. Step 3: Cross multiply
    1,725,412.19x = 2,381,078.30 × 1,000,689.66
  4. Step 4: Simplify right side
    1,725,412.19x = 2,382,720,429,456.93
  5. Step 5: Solve for x
    x = 2,382,720,429,456.93/1,725,412.19
  6. Step 6: Final answer
    x = 1,380,957.23

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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.