Home / 1,550,327.25-2,138,970.75-905,282.13

Finding the Fourth Proportional to 1,550,327.25, 2,138,970.75 and 905,282.13

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Solution

The fourth proportional to 1,550,327.25, 2,138,970.75 and 905,282.13 is: 1,249,008.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550,327.25 : 2,138,970.75 = 905,282.13 : x
  2. Step 2: Convert to fraction form
    1,550,327.25/2,138,970.75 = 905,282.13/x
  3. Step 3: Cross multiply
    1,550,327.25x = 2,138,970.75 × 905,282.13
  4. Step 4: Simplify right side
    1,550,327.25x = 1,936,371,996,567.70
  5. Step 5: Solve for x
    x = 1,936,371,996,567.70/1,550,327.25
  6. Step 6: Final answer
    x = 1,249,008.55

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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.