Home / 1,423,015.02-2,131,102.17-813,957.66

Finding the Fourth Proportional to 1,423,015.02, 2,131,102.17 and 813,957.66

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Solution

The fourth proportional to 1,423,015.02, 2,131,102.17 and 813,957.66 is: 1,218,980.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,015.02 : 2,131,102.17 = 813,957.66 : x
  2. Step 2: Convert to fraction form
    1,423,015.02/2,131,102.17 = 813,957.66/x
  3. Step 3: Cross multiply
    1,423,015.02x = 2,131,102.17 × 813,957.66
  4. Step 4: Simplify right side
    1,423,015.02x = 1,734,626,935,514.12
  5. Step 5: Solve for x
    x = 1,734,626,935,514.12/1,423,015.02
  6. Step 6: Final answer
    x = 1,218,980.06

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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.