Home / 1,436,542.80-2,153,359.84-931,423.56

Finding the Fourth Proportional to 1,436,542.80, 2,153,359.84 and 931,423.56

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Solution

The fourth proportional to 1,436,542.80, 2,153,359.84 and 931,423.56 is: 1,396,192.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,542.80 : 2,153,359.84 = 931,423.56 : x
  2. Step 2: Convert to fraction form
    1,436,542.80/2,153,359.84 = 931,423.56/x
  3. Step 3: Cross multiply
    1,436,542.80x = 2,153,359.84 × 931,423.56
  4. Step 4: Simplify right side
    1,436,542.80x = 2,005,690,088,133.83
  5. Step 5: Solve for x
    x = 2,005,690,088,133.83/1,436,542.80
  6. Step 6: Final answer
    x = 1,396,192.36

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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.