Home / 1,654,663.28-2,482,120.68-643,350.76

Finding the Fourth Proportional to 1,654,663.28, 2,482,120.68 and 643,350.76

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Solution

The fourth proportional to 1,654,663.28, 2,482,120.68 and 643,350.76 is: 965,075.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654,663.28 : 2,482,120.68 = 643,350.76 : x
  2. Step 2: Convert to fraction form
    1,654,663.28/2,482,120.68 = 643,350.76/x
  3. Step 3: Cross multiply
    1,654,663.28x = 2,482,120.68 × 643,350.76
  4. Step 4: Simplify right side
    1,654,663.28x = 1,596,874,225,889.72
  5. Step 5: Solve for x
    x = 1,596,874,225,889.72/1,654,663.28
  6. Step 6: Final answer
    x = 965,075.04

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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.