Home / 1,465,386.60-2,198,079.90-987,089.70

Finding the Fourth Proportional to 1,465,386.60, 2,198,079.90 and 987,089.70

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Solution

The fourth proportional to 1,465,386.60, 2,198,079.90 and 987,089.70 is: 1,480,634.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,386.60 : 2,198,079.90 = 987,089.70 : x
  2. Step 2: Convert to fraction form
    1,465,386.60/2,198,079.90 = 987,089.70/x
  3. Step 3: Cross multiply
    1,465,386.60x = 2,198,079.90 × 987,089.70
  4. Step 4: Simplify right side
    1,465,386.60x = 2,169,702,029,067.03
  5. Step 5: Solve for x
    x = 2,169,702,029,067.03/1,465,386.60
  6. Step 6: Final answer
    x = 1,480,634.55

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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.