Home / 868,082.90-1,302,124.35-718,783.70

Finding the Fourth Proportional to 868,082.90, 1,302,124.35 and 718,783.70

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Solution

The fourth proportional to 868,082.90, 1,302,124.35 and 718,783.70 is: 1,078,175.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,082.90 : 1,302,124.35 = 718,783.70 : x
  2. Step 2: Convert to fraction form
    868,082.90/1,302,124.35 = 718,783.70/x
  3. Step 3: Cross multiply
    868,082.90x = 1,302,124.35 × 718,783.70
  4. Step 4: Simplify right side
    868,082.90x = 935,945,758,153.10
  5. Step 5: Solve for x
    x = 935,945,758,153.10/868,082.90
  6. Step 6: Final answer
    x = 1,078,175.55

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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.