Home / 1,039,719.88-1,556,031.30-871,430.32

Finding the Fourth Proportional to 1,039,719.88, 1,556,031.30 and 871,430.32

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Solution

The fourth proportional to 1,039,719.88, 1,556,031.30 and 871,430.32 is: 1,304,171.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,719.88 : 1,556,031.30 = 871,430.32 : x
  2. Step 2: Convert to fraction form
    1,039,719.88/1,556,031.30 = 871,430.32/x
  3. Step 3: Cross multiply
    1,039,719.88x = 1,556,031.30 × 871,430.32
  4. Step 4: Simplify right side
    1,039,719.88x = 1,355,972,853,689.02
  5. Step 5: Solve for x
    x = 1,355,972,853,689.02/1,039,719.88
  6. Step 6: Final answer
    x = 1,304,171.33

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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.