Home / 1,436,002.16-1,981,602.16-791,420.32

Finding the Fourth Proportional to 1,436,002.16, 1,981,602.16 and 791,420.32

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Solution

The fourth proportional to 1,436,002.16, 1,981,602.16 and 791,420.32 is: 1,092,115.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,002.16 : 1,981,602.16 = 791,420.32 : x
  2. Step 2: Convert to fraction form
    1,436,002.16/1,981,602.16 = 791,420.32/x
  3. Step 3: Cross multiply
    1,436,002.16x = 1,981,602.16 × 791,420.32
  4. Step 4: Simplify right side
    1,436,002.16x = 1,568,280,215,579.89
  5. Step 5: Solve for x
    x = 1,568,280,215,579.89/1,436,002.16
  6. Step 6: Final answer
    x = 1,092,115.50

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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.