Home / 915,629.85-1,373,444.78-868,973.85

Finding the Fourth Proportional to 915,629.85, 1,373,444.78 and 868,973.85

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Solution

The fourth proportional to 915,629.85, 1,373,444.78 and 868,973.85 is: 1,303,460.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,629.85 : 1,373,444.78 = 868,973.85 : x
  2. Step 2: Convert to fraction form
    915,629.85/1,373,444.78 = 868,973.85/x
  3. Step 3: Cross multiply
    915,629.85x = 1,373,444.78 × 868,973.85
  4. Step 4: Simplify right side
    915,629.85x = 1,193,487,593,894.13
  5. Step 5: Solve for x
    x = 1,193,487,593,894.13/915,629.85
  6. Step 6: Final answer
    x = 1,303,460.78

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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.