Home / 868,016.60-1,302,024.90-749,821.40

Finding the Fourth Proportional to 868,016.60, 1,302,024.90 and 749,821.40

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Solution

The fourth proportional to 868,016.60, 1,302,024.90 and 749,821.40 is: 1,124,732.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,016.60 : 1,302,024.90 = 749,821.40 : x
  2. Step 2: Convert to fraction form
    868,016.60/1,302,024.90 = 749,821.40/x
  3. Step 3: Cross multiply
    868,016.60x = 1,302,024.90 × 749,821.40
  4. Step 4: Simplify right side
    868,016.60x = 976,286,133,352.86
  5. Step 5: Solve for x
    x = 976,286,133,352.86/868,016.60
  6. Step 6: Final answer
    x = 1,124,732.10

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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.