Home / 1,142,959.70-1,577,302.53-626,760.57

Finding the Fourth Proportional to 1,142,959.70, 1,577,302.53 and 626,760.57

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Solution

The fourth proportional to 1,142,959.70, 1,577,302.53 and 626,760.57 is: 864,939.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,959.70 : 1,577,302.53 = 626,760.57 : x
  2. Step 2: Convert to fraction form
    1,142,959.70/1,577,302.53 = 626,760.57/x
  3. Step 3: Cross multiply
    1,142,959.70x = 1,577,302.53 × 626,760.57
  4. Step 4: Simplify right side
    1,142,959.70x = 988,591,032,765.24
  5. Step 5: Solve for x
    x = 988,591,032,765.24/1,142,959.70
  6. Step 6: Final answer
    x = 864,939.54

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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.