Home / 1,069,306.52-1,475,597.94-639,332.60

Finding the Fourth Proportional to 1,069,306.52, 1,475,597.94 and 639,332.60

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Solution

The fourth proportional to 1,069,306.52, 1,475,597.94 and 639,332.60 is: 882,252.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,306.52 : 1,475,597.94 = 639,332.60 : x
  2. Step 2: Convert to fraction form
    1,069,306.52/1,475,597.94 = 639,332.60/x
  3. Step 3: Cross multiply
    1,069,306.52x = 1,475,597.94 × 639,332.60
  4. Step 4: Simplify right side
    1,069,306.52x = 943,397,867,534.84
  5. Step 5: Solve for x
    x = 943,397,867,534.84/1,069,306.52
  6. Step 6: Final answer
    x = 882,252.05

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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.