Home / 1,192,631.81-1,645,830.65-648,766.30

Finding the Fourth Proportional to 1,192,631.81, 1,645,830.65 and 648,766.30

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Solution

The fourth proportional to 1,192,631.81, 1,645,830.65 and 648,766.30 is: 895,296.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,631.81 : 1,645,830.65 = 648,766.30 : x
  2. Step 2: Convert to fraction form
    1,192,631.81/1,645,830.65 = 648,766.30/x
  3. Step 3: Cross multiply
    1,192,631.81x = 1,645,830.65 × 648,766.30
  4. Step 4: Simplify right side
    1,192,631.81x = 1,067,759,466,905.48
  5. Step 5: Solve for x
    x = 1,067,759,466,905.48/1,192,631.81
  6. Step 6: Final answer
    x = 895,296.82

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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.