Home / 1,107,018.56-1,661,159.28-433,154.72

Finding the Fourth Proportional to 1,107,018.56, 1,661,159.28 and 433,154.72

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Solution

The fourth proportional to 1,107,018.56, 1,661,159.28 and 433,154.72 is: 649,979.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,018.56 : 1,661,159.28 = 433,154.72 : x
  2. Step 2: Convert to fraction form
    1,107,018.56/1,661,159.28 = 433,154.72/x
  3. Step 3: Cross multiply
    1,107,018.56x = 1,661,159.28 × 433,154.72
  4. Step 4: Simplify right side
    1,107,018.56x = 719,538,982,803.80
  5. Step 5: Solve for x
    x = 719,538,982,803.80/1,107,018.56
  6. Step 6: Final answer
    x = 649,979.15

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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.