Home / 1,103,233.20-1,654,849.80-393,284.40

Finding the Fourth Proportional to 1,103,233.20, 1,654,849.80 and 393,284.40

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Solution

The fourth proportional to 1,103,233.20, 1,654,849.80 and 393,284.40 is: 589,926.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,233.20 : 1,654,849.80 = 393,284.40 : x
  2. Step 2: Convert to fraction form
    1,103,233.20/1,654,849.80 = 393,284.40/x
  3. Step 3: Cross multiply
    1,103,233.20x = 1,654,849.80 × 393,284.40
  4. Step 4: Simplify right side
    1,103,233.20x = 650,826,610,683.12
  5. Step 5: Solve for x
    x = 650,826,610,683.12/1,103,233.20
  6. Step 6: Final answer
    x = 589,926.60

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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.