Home / 907,546.20-1,361,319.30-839,117.40

Finding the Fourth Proportional to 907,546.20, 1,361,319.30 and 839,117.40

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Solution

The fourth proportional to 907,546.20, 1,361,319.30 and 839,117.40 is: 1,258,676.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,546.20 : 1,361,319.30 = 839,117.40 : x
  2. Step 2: Convert to fraction form
    907,546.20/1,361,319.30 = 839,117.40/x
  3. Step 3: Cross multiply
    907,546.20x = 1,361,319.30 × 839,117.40
  4. Step 4: Simplify right side
    907,546.20x = 1,142,306,711,585.82
  5. Step 5: Solve for x
    x = 1,142,306,711,585.82/907,546.20
  6. Step 6: Final answer
    x = 1,258,676.10

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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.