Home / 948,290.32-1,420,937.38-769,925.89

Finding the Fourth Proportional to 948,290.32, 1,420,937.38 and 769,925.89

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Solution

The fourth proportional to 948,290.32, 1,420,937.38 and 769,925.89 is: 1,153,672.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,290.32 : 1,420,937.38 = 769,925.89 : x
  2. Step 2: Convert to fraction form
    948,290.32/1,420,937.38 = 769,925.89/x
  3. Step 3: Cross multiply
    948,290.32x = 1,420,937.38 × 769,925.89
  4. Step 4: Simplify right side
    948,290.32x = 1,094,016,465,976.45
  5. Step 5: Solve for x
    x = 1,094,016,465,976.45/948,290.32
  6. Step 6: Final answer
    x = 1,153,672.51

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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.