Home / 1,103,158.80-1,522,359.28-613,128.24

Finding the Fourth Proportional to 1,103,158.80, 1,522,359.28 and 613,128.24

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Solution

The fourth proportional to 1,103,158.80, 1,522,359.28 and 613,128.24 is: 846,117.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,158.80 : 1,522,359.28 = 613,128.24 : x
  2. Step 2: Convert to fraction form
    1,103,158.80/1,522,359.28 = 613,128.24/x
  3. Step 3: Cross multiply
    1,103,158.80x = 1,522,359.28 × 613,128.24
  4. Step 4: Simplify right side
    1,103,158.80x = 933,401,465,994.07
  5. Step 5: Solve for x
    x = 933,401,465,994.07/1,103,158.80
  6. Step 6: Final answer
    x = 846,117.05

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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.