Home / 1,021,146.34-1,531,718.79-459,524.74

Finding the Fourth Proportional to 1,021,146.34, 1,531,718.79 and 459,524.74

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Solution

The fourth proportional to 1,021,146.34, 1,531,718.79 and 459,524.74 is: 689,286.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,146.34 : 1,531,718.79 = 459,524.74 : x
  2. Step 2: Convert to fraction form
    1,021,146.34/1,531,718.79 = 459,524.74/x
  3. Step 3: Cross multiply
    1,021,146.34x = 1,531,718.79 × 459,524.74
  4. Step 4: Simplify right side
    1,021,146.34x = 703,862,678,727.87
  5. Step 5: Solve for x
    x = 703,862,678,727.87/1,021,146.34
  6. Step 6: Final answer
    x = 689,286.79

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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.