Home / 1,465,411.60-2,198,117.40-987,114.70

Finding the Fourth Proportional to 1,465,411.60, 2,198,117.40 and 987,114.70

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Solution

The fourth proportional to 1,465,411.60, 2,198,117.40 and 987,114.70 is: 1,480,672.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,411.60 : 2,198,117.40 = 987,114.70 : x
  2. Step 2: Convert to fraction form
    1,465,411.60/2,198,117.40 = 987,114.70/x
  3. Step 3: Cross multiply
    1,465,411.60x = 2,198,117.40 × 987,114.70
  4. Step 4: Simplify right side
    1,465,411.60x = 2,169,793,997,865.78
  5. Step 5: Solve for x
    x = 2,169,793,997,865.78/1,465,411.60
  6. Step 6: Final answer
    x = 1,480,672.05

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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.