Home / 1,287,155.60-1,776,028.20-736,046.24

Finding the Fourth Proportional to 1,287,155.60, 1,776,028.20 and 736,046.24

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Solution

The fourth proportional to 1,287,155.60, 1,776,028.20 and 736,046.24 is: 1,015,602.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,155.60 : 1,776,028.20 = 736,046.24 : x
  2. Step 2: Convert to fraction form
    1,287,155.60/1,776,028.20 = 736,046.24/x
  3. Step 3: Cross multiply
    1,287,155.60x = 1,776,028.20 × 736,046.24
  4. Step 4: Simplify right side
    1,287,155.60x = 1,307,238,878,743.97
  5. Step 5: Solve for x
    x = 1,307,238,878,743.97/1,287,155.60
  6. Step 6: Final answer
    x = 1,015,602.84

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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.