Home / 1,351,540.40-1,864,941.24-807,561.20

Finding the Fourth Proportional to 1,351,540.40, 1,864,941.24 and 807,561.20

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Solution

The fourth proportional to 1,351,540.40, 1,864,941.24 and 807,561.20 is: 1,114,324.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,540.40 : 1,864,941.24 = 807,561.20 : x
  2. Step 2: Convert to fraction form
    1,351,540.40/1,864,941.24 = 807,561.20/x
  3. Step 3: Cross multiply
    1,351,540.40x = 1,864,941.24 × 807,561.20
  4. Step 4: Simplify right side
    1,351,540.40x = 1,506,054,185,703.89
  5. Step 5: Solve for x
    x = 1,506,054,185,703.89/1,351,540.40
  6. Step 6: Final answer
    x = 1,114,324.21

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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.