Home / 1,437,669.28-2,156,134.86-426,552.04

Finding the Fourth Proportional to 1,437,669.28, 2,156,134.86 and 426,552.04

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Solution

The fourth proportional to 1,437,669.28, 2,156,134.86 and 426,552.04 is: 639,718.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,669.28 : 2,156,134.86 = 426,552.04 : x
  2. Step 2: Convert to fraction form
    1,437,669.28/2,156,134.86 = 426,552.04/x
  3. Step 3: Cross multiply
    1,437,669.28x = 2,156,134.86 × 426,552.04
  4. Step 4: Simplify right side
    1,437,669.28x = 919,703,723,048.11
  5. Step 5: Solve for x
    x = 919,703,723,048.11/1,437,669.28
  6. Step 6: Final answer
    x = 639,718.56

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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.