Home / 1,148,348.23-1,584,790.43-639,050.60

Finding the Fourth Proportional to 1,148,348.23, 1,584,790.43 and 639,050.60

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Solution

The fourth proportional to 1,148,348.23, 1,584,790.43 and 639,050.60 is: 881,928.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,348.23 : 1,584,790.43 = 639,050.60 : x
  2. Step 2: Convert to fraction form
    1,148,348.23/1,584,790.43 = 639,050.60/x
  3. Step 3: Cross multiply
    1,148,348.23x = 1,584,790.43 × 639,050.60
  4. Step 4: Simplify right side
    1,148,348.23x = 1,012,761,275,165.76
  5. Step 5: Solve for x
    x = 1,012,761,275,165.76/1,148,348.23
  6. Step 6: Final answer
    x = 881,928.71

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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.