Home / 948,654.48-1,420,701.62-542,615.72

Finding the Fourth Proportional to 948,654.48, 1,420,701.62 and 542,615.72

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Solution

The fourth proportional to 948,654.48, 1,420,701.62 and 542,615.72 is: 812,619.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,654.48 : 1,420,701.62 = 542,615.72 : x
  2. Step 2: Convert to fraction form
    948,654.48/1,420,701.62 = 542,615.72/x
  3. Step 3: Cross multiply
    948,654.48x = 1,420,701.62 × 542,615.72
  4. Step 4: Simplify right side
    948,654.48x = 770,895,033,280.14
  5. Step 5: Solve for x
    x = 770,895,033,280.14/948,654.48
  6. Step 6: Final answer
    x = 812,619.40

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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.