Home / 1,218,544.68-1,681,644.19-674,680.47

Finding the Fourth Proportional to 1,218,544.68, 1,681,644.19 and 674,680.47

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Solution

The fourth proportional to 1,218,544.68, 1,681,644.19 and 674,680.47 is: 931,088.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,544.68 : 1,681,644.19 = 674,680.47 : x
  2. Step 2: Convert to fraction form
    1,218,544.68/1,681,644.19 = 674,680.47/x
  3. Step 3: Cross multiply
    1,218,544.68x = 1,681,644.19 × 674,680.47
  4. Step 4: Simplify right side
    1,218,544.68x = 1,134,572,484,073.75
  5. Step 5: Solve for x
    x = 1,134,572,484,073.75/1,218,544.68
  6. Step 6: Final answer
    x = 931,088.13

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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.