Home / 1,149,728.75-1,586,627.17-626,436.89

Finding the Fourth Proportional to 1,149,728.75, 1,586,627.17 and 626,436.89

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Solution

The fourth proportional to 1,149,728.75, 1,586,627.17 and 626,436.89 is: 864,483.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,728.75 : 1,586,627.17 = 626,436.89 : x
  2. Step 2: Convert to fraction form
    1,149,728.75/1,586,627.17 = 626,436.89/x
  3. Step 3: Cross multiply
    1,149,728.75x = 1,586,627.17 × 626,436.89
  4. Step 4: Simplify right side
    1,149,728.75x = 993,921,789,938.63
  5. Step 5: Solve for x
    x = 993,921,789,938.63/1,149,728.75
  6. Step 6: Final answer
    x = 864,483.72

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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.