Home / 1,308,131.40-1,805,371.02-727,412.52

Finding the Fourth Proportional to 1,308,131.40, 1,805,371.02 and 727,412.52

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Solution

The fourth proportional to 1,308,131.40, 1,805,371.02 and 727,412.52 is: 1,003,912.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,131.40 : 1,805,371.02 = 727,412.52 : x
  2. Step 2: Convert to fraction form
    1,308,131.40/1,805,371.02 = 727,412.52/x
  3. Step 3: Cross multiply
    1,308,131.40x = 1,805,371.02 × 727,412.52
  4. Step 4: Simplify right side
    1,308,131.40x = 1,313,249,483,193.17
  5. Step 5: Solve for x
    x = 1,313,249,483,193.17/1,308,131.40
  6. Step 6: Final answer
    x = 1,003,912.51

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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.