Home / 1,242,167.04-1,863,319.68-355,680

Finding the Fourth Proportional to 1,242,167.04, 1,863,319.68 and 355,680

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Solution

The fourth proportional to 1,242,167.04, 1,863,319.68 and 355,680 is: 533,539.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,167.04 : 1,863,319.68 = 355,680 : x
  2. Step 2: Convert to fraction form
    1,242,167.04/1,863,319.68 = 355,680/x
  3. Step 3: Cross multiply
    1,242,167.04x = 1,863,319.68 × 355,680
  4. Step 4: Simplify right side
    1,242,167.04x = 662,745,543,782.40
  5. Step 5: Solve for x
    x = 662,745,543,782.40/1,242,167.04
  6. Step 6: Final answer
    x = 533,539.79

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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.