Home / 1,465,658.20-2,199,783.30-865,869.40

Finding the Fourth Proportional to 1,465,658.20, 2,199,783.30 and 865,869.40

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Solution

The fourth proportional to 1,465,658.20, 2,199,783.30 and 865,869.40 is: 1,299,569.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,658.20 : 2,199,783.30 = 865,869.40 : x
  2. Step 2: Convert to fraction form
    1,465,658.20/2,199,783.30 = 865,869.40/x
  3. Step 3: Cross multiply
    1,465,658.20x = 2,199,783.30 × 865,869.40
  4. Step 4: Simplify right side
    1,465,658.20x = 1,904,725,046,101.02
  5. Step 5: Solve for x
    x = 1,904,725,046,101.02/1,465,658.20
  6. Step 6: Final answer
    x = 1,299,569.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.