Home / 1,256,126.32-1,733,417.24-712,311.60

Finding the Fourth Proportional to 1,256,126.32, 1,733,417.24 and 712,311.60

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Solution

The fourth proportional to 1,256,126.32, 1,733,417.24 and 712,311.60 is: 982,968.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,126.32 : 1,733,417.24 = 712,311.60 : x
  2. Step 2: Convert to fraction form
    1,256,126.32/1,733,417.24 = 712,311.60/x
  3. Step 3: Cross multiply
    1,256,126.32x = 1,733,417.24 × 712,311.60
  4. Step 4: Simplify right side
    1,256,126.32x = 1,234,733,207,691.98
  5. Step 5: Solve for x
    x = 1,234,733,207,691.98/1,256,126.32
  6. Step 6: Final answer
    x = 982,968.98

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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.