Home / 1,039,711.88-1,556,019.38-871,422.24

Finding the Fourth Proportional to 1,039,711.88, 1,556,019.38 and 871,422.24

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Solution

The fourth proportional to 1,039,711.88, 1,556,019.38 and 871,422.24 is: 1,304,159.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,711.88 : 1,556,019.38 = 871,422.24 : x
  2. Step 2: Convert to fraction form
    1,039,711.88/1,556,019.38 = 871,422.24/x
  3. Step 3: Cross multiply
    1,039,711.88x = 1,556,019.38 × 871,422.24
  4. Step 4: Simplify right side
    1,039,711.88x = 1,355,949,893,603.01
  5. Step 5: Solve for x
    x = 1,355,949,893,603.01/1,039,711.88
  6. Step 6: Final answer
    x = 1,304,159.28

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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.