Home / 1,039,708.86-1,556,014.86-871,419.18

Finding the Fourth Proportional to 1,039,708.86, 1,556,014.86 and 871,419.18

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Solution

The fourth proportional to 1,039,708.86, 1,556,014.86 and 871,419.18 is: 1,304,154.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,708.86 : 1,556,014.86 = 871,419.18 : x
  2. Step 2: Convert to fraction form
    1,039,708.86/1,556,014.86 = 871,419.18/x
  3. Step 3: Cross multiply
    1,039,708.86x = 1,556,014.86 × 871,419.18
  4. Step 4: Simplify right side
    1,039,708.86x = 1,355,941,193,369.01
  5. Step 5: Solve for x
    x = 1,355,941,193,369.01/1,039,708.86
  6. Step 6: Final answer
    x = 1,304,154.70

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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.