Home / 1,156,008.64-1,595,255.88-639,731.46

Finding the Fourth Proportional to 1,156,008.64, 1,595,255.88 and 639,731.46

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Solution

The fourth proportional to 1,156,008.64, 1,595,255.88 and 639,731.46 is: 882,809.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,008.64 : 1,595,255.88 = 639,731.46 : x
  2. Step 2: Convert to fraction form
    1,156,008.64/1,595,255.88 = 639,731.46/x
  3. Step 3: Cross multiply
    1,156,008.64x = 1,595,255.88 × 639,731.46
  4. Step 4: Simplify right side
    1,156,008.64x = 1,020,535,373,185.98
  5. Step 5: Solve for x
    x = 1,020,535,373,185.98/1,156,008.64
  6. Step 6: Final answer
    x = 882,809.47

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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.