Home / 1,465,410.30-2,198,115.45-987,113.40

Finding the Fourth Proportional to 1,465,410.30, 2,198,115.45 and 987,113.40

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Solution

The fourth proportional to 1,465,410.30, 2,198,115.45 and 987,113.40 is: 1,480,670.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,410.30 : 2,198,115.45 = 987,113.40 : x
  2. Step 2: Convert to fraction form
    1,465,410.30/2,198,115.45 = 987,113.40/x
  3. Step 3: Cross multiply
    1,465,410.30x = 2,198,115.45 × 987,113.40
  4. Step 4: Simplify right side
    1,465,410.30x = 2,169,789,215,442.03
  5. Step 5: Solve for x
    x = 2,169,789,215,442.03/1,465,410.30
  6. Step 6: Final answer
    x = 1,480,670.10

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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.