Home / 1,432,934.60-1,977,449.66-788,340.95

Finding the Fourth Proportional to 1,432,934.60, 1,977,449.66 and 788,340.95

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Solution

The fourth proportional to 1,432,934.60, 1,977,449.66 and 788,340.95 is: 1,087,910.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,934.60 : 1,977,449.66 = 788,340.95 : x
  2. Step 2: Convert to fraction form
    1,432,934.60/1,977,449.66 = 788,340.95/x
  3. Step 3: Cross multiply
    1,432,934.60x = 1,977,449.66 × 788,340.95
  4. Step 4: Simplify right side
    1,432,934.60x = 1,558,904,533,654.33
  5. Step 5: Solve for x
    x = 1,558,904,533,654.33/1,432,934.60
  6. Step 6: Final answer
    x = 1,087,910.46

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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.