Home / 1,039,710.88-1,556,017.88-871,421.24

Finding the Fourth Proportional to 1,039,710.88, 1,556,017.88 and 871,421.24

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Solution

The fourth proportional to 1,039,710.88, 1,556,017.88 and 871,421.24 is: 1,304,157.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,710.88 : 1,556,017.88 = 871,421.24 : x
  2. Step 2: Convert to fraction form
    1,039,710.88/1,556,017.88 = 871,421.24/x
  3. Step 3: Cross multiply
    1,039,710.88x = 1,556,017.88 × 871,421.24
  4. Step 4: Simplify right side
    1,039,710.88x = 1,355,947,030,451.77
  5. Step 5: Solve for x
    x = 1,355,947,030,451.77/1,039,710.88
  6. Step 6: Final answer
    x = 1,304,157.78

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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.