Home / 1,356,367.04-1,871,720.16-812,525.12

Finding the Fourth Proportional to 1,356,367.04, 1,871,720.16 and 812,525.12

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Solution

The fourth proportional to 1,356,367.04, 1,871,720.16 and 812,525.12 is: 1,121,244.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,367.04 : 1,871,720.16 = 812,525.12 : x
  2. Step 2: Convert to fraction form
    1,356,367.04/1,871,720.16 = 812,525.12/x
  3. Step 3: Cross multiply
    1,356,367.04x = 1,871,720.16 × 812,525.12
  4. Step 4: Simplify right side
    1,356,367.04x = 1,520,819,647,610.42
  5. Step 5: Solve for x
    x = 1,520,819,647,610.42/1,356,367.04
  6. Step 6: Final answer
    x = 1,121,244.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.