Home / 1,227,294.32-1,840,325.13-715,124.84

Finding the Fourth Proportional to 1,227,294.32, 1,840,325.13 and 715,124.84

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Solution

The fourth proportional to 1,227,294.32, 1,840,325.13 and 715,124.84 is: 1,072,328.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,294.32 : 1,840,325.13 = 715,124.84 : x
  2. Step 2: Convert to fraction form
    1,227,294.32/1,840,325.13 = 715,124.84/x
  3. Step 3: Cross multiply
    1,227,294.32x = 1,840,325.13 × 715,124.84
  4. Step 4: Simplify right side
    1,227,294.32x = 1,316,062,204,937.60
  5. Step 5: Solve for x
    x = 1,316,062,204,937.60/1,227,294.32
  6. Step 6: Final answer
    x = 1,072,328.12

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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.