Home / 912,055.20-1,364,146.20-770,337.60

Finding the Fourth Proportional to 912,055.20, 1,364,146.20 and 770,337.60

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Solution

The fourth proportional to 912,055.20, 1,364,146.20 and 770,337.60 is: 1,152,181.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,055.20 : 1,364,146.20 = 770,337.60 : x
  2. Step 2: Convert to fraction form
    912,055.20/1,364,146.20 = 770,337.60/x
  3. Step 3: Cross multiply
    912,055.20x = 1,364,146.20 × 770,337.60
  4. Step 4: Simplify right side
    912,055.20x = 1,050,853,109,757.12
  5. Step 5: Solve for x
    x = 1,050,853,109,757.12/912,055.20
  6. Step 6: Final answer
    x = 1,152,181.48

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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.