Home / 1,127,710.40-1,691,642.40-359,147.20

Finding the Fourth Proportional to 1,127,710.40, 1,691,642.40 and 359,147.20

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Solution

The fourth proportional to 1,127,710.40, 1,691,642.40 and 359,147.20 is: 538,745.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,710.40 : 1,691,642.40 = 359,147.20 : x
  2. Step 2: Convert to fraction form
    1,127,710.40/1,691,642.40 = 359,147.20/x
  3. Step 3: Cross multiply
    1,127,710.40x = 1,691,642.40 × 359,147.20
  4. Step 4: Simplify right side
    1,127,710.40x = 607,548,631,361.28
  5. Step 5: Solve for x
    x = 607,548,631,361.28/1,127,710.40
  6. Step 6: Final answer
    x = 538,745.26

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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.