Home / 1,437,674.28-2,156,142.36-426,557.04

Finding the Fourth Proportional to 1,437,674.28, 2,156,142.36 and 426,557.04

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Solution

The fourth proportional to 1,437,674.28, 2,156,142.36 and 426,557.04 is: 639,726.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,674.28 : 2,156,142.36 = 426,557.04 : x
  2. Step 2: Convert to fraction form
    1,437,674.28/2,156,142.36 = 426,557.04/x
  3. Step 3: Cross multiply
    1,437,674.28x = 2,156,142.36 × 426,557.04
  4. Step 4: Simplify right side
    1,437,674.28x = 919,717,702,900.21
  5. Step 5: Solve for x
    x = 919,717,702,900.21/1,437,674.28
  6. Step 6: Final answer
    x = 639,726.06

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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.