Home / 1,181,462.40-1,772,020.80-339,926.40

Finding the Fourth Proportional to 1,181,462.40, 1,772,020.80 and 339,926.40

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Solution

The fourth proportional to 1,181,462.40, 1,772,020.80 and 339,926.40 is: 509,839.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,462.40 : 1,772,020.80 = 339,926.40 : x
  2. Step 2: Convert to fraction form
    1,181,462.40/1,772,020.80 = 339,926.40/x
  3. Step 3: Cross multiply
    1,181,462.40x = 1,772,020.80 × 339,926.40
  4. Step 4: Simplify right side
    1,181,462.40x = 602,356,651,269.12
  5. Step 5: Solve for x
    x = 602,356,651,269.12/1,181,462.40
  6. Step 6: Final answer
    x = 509,839.88

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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.