Home / 1,292,320.31-1,938,480.73-581,517.90

Finding the Fourth Proportional to 1,292,320.31, 1,938,480.73 and 581,517.90

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Solution

The fourth proportional to 1,292,320.31, 1,938,480.73 and 581,517.90 is: 872,276.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,320.31 : 1,938,480.73 = 581,517.90 : x
  2. Step 2: Convert to fraction form
    1,292,320.31/1,938,480.73 = 581,517.90/x
  3. Step 3: Cross multiply
    1,292,320.31x = 1,938,480.73 × 581,517.90
  4. Step 4: Simplify right side
    1,292,320.31x = 1,127,261,241,846.27
  5. Step 5: Solve for x
    x = 1,127,261,241,846.27/1,292,320.31
  6. Step 6: Final answer
    x = 872,276.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.