Home / 1,113,895.40-1,670,843.10-365,965.80

Finding the Fourth Proportional to 1,113,895.40, 1,670,843.10 and 365,965.80

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Solution

The fourth proportional to 1,113,895.40, 1,670,843.10 and 365,965.80 is: 548,948.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,895.40 : 1,670,843.10 = 365,965.80 : x
  2. Step 2: Convert to fraction form
    1,113,895.40/1,670,843.10 = 365,965.80/x
  3. Step 3: Cross multiply
    1,113,895.40x = 1,670,843.10 × 365,965.80
  4. Step 4: Simplify right side
    1,113,895.40x = 611,471,431,765.98
  5. Step 5: Solve for x
    x = 611,471,431,765.98/1,113,895.40
  6. Step 6: Final answer
    x = 548,948.70

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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.