Home / 1,281,084.27-1,767,715.70-729,814.47

Finding the Fourth Proportional to 1,281,084.27, 1,767,715.70 and 729,814.47

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Solution

The fourth proportional to 1,281,084.27, 1,767,715.70 and 729,814.47 is: 1,007,041.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,084.27 : 1,767,715.70 = 729,814.47 : x
  2. Step 2: Convert to fraction form
    1,281,084.27/1,767,715.70 = 729,814.47/x
  3. Step 3: Cross multiply
    1,281,084.27x = 1,767,715.70 × 729,814.47
  4. Step 4: Simplify right side
    1,281,084.27x = 1,290,104,493,057.11
  5. Step 5: Solve for x
    x = 1,290,104,493,057.11/1,281,084.27
  6. Step 6: Final answer
    x = 1,007,041.08

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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.