Home / 1,255,330.40-1,732,335.54-682,385

Finding the Fourth Proportional to 1,255,330.40, 1,732,335.54 and 682,385

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Solution

The fourth proportional to 1,255,330.40, 1,732,335.54 and 682,385 is: 941,680.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,330.40 : 1,732,335.54 = 682,385 : x
  2. Step 2: Convert to fraction form
    1,255,330.40/1,732,335.54 = 682,385/x
  3. Step 3: Cross multiply
    1,255,330.40x = 1,732,335.54 × 682,385
  4. Step 4: Simplify right side
    1,255,330.40x = 1,182,119,787,462.90
  5. Step 5: Solve for x
    x = 1,182,119,787,462.90/1,255,330.40
  6. Step 6: Final answer
    x = 941,680.20

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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.