Home / 1,257,444.38-1,731,967.64-966,499.57

Finding the Fourth Proportional to 1,257,444.38, 1,731,967.64 and 966,499.57

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Solution

The fourth proportional to 1,257,444.38, 1,731,967.64 and 966,499.57 is: 1,331,228.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,444.38 : 1,731,967.64 = 966,499.57 : x
  2. Step 2: Convert to fraction form
    1,257,444.38/1,731,967.64 = 966,499.57/x
  3. Step 3: Cross multiply
    1,257,444.38x = 1,731,967.64 × 966,499.57
  4. Step 4: Simplify right side
    1,257,444.38x = 1,673,945,979,313.91
  5. Step 5: Solve for x
    x = 1,673,945,979,313.91/1,257,444.38
  6. Step 6: Final answer
    x = 1,331,228.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.