Home / 1,154,523.96-1,732,067.82-813,632.40

Finding the Fourth Proportional to 1,154,523.96, 1,732,067.82 and 813,632.40

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Solution

The fourth proportional to 1,154,523.96, 1,732,067.82 and 813,632.40 is: 1,220,647.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,523.96 : 1,732,067.82 = 813,632.40 : x
  2. Step 2: Convert to fraction form
    1,154,523.96/1,732,067.82 = 813,632.40/x
  3. Step 3: Cross multiply
    1,154,523.96x = 1,732,067.82 × 813,632.40
  4. Step 4: Simplify right side
    1,154,523.96x = 1,409,266,497,349.37
  5. Step 5: Solve for x
    x = 1,409,266,497,349.37/1,154,523.96
  6. Step 6: Final answer
    x = 1,220,647.25

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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.