Home / 1,156,006.63-1,595,253.12-639,729.46

Finding the Fourth Proportional to 1,156,006.63, 1,595,253.12 and 639,729.46

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Solution

The fourth proportional to 1,156,006.63, 1,595,253.12 and 639,729.46 is: 882,806.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,006.63 : 1,595,253.12 = 639,729.46 : x
  2. Step 2: Convert to fraction form
    1,156,006.63/1,595,253.12 = 639,729.46/x
  3. Step 3: Cross multiply
    1,156,006.63x = 1,595,253.12 × 639,729.46
  4. Step 4: Simplify right side
    1,156,006.63x = 1,020,530,417,020.92
  5. Step 5: Solve for x
    x = 1,020,530,417,020.92/1,156,006.63
  6. Step 6: Final answer
    x = 882,806.72

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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.