Home / 912,987.40-1,369,481.10-897,435.40

Finding the Fourth Proportional to 912,987.40, 1,369,481.10 and 897,435.40

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Solution

The fourth proportional to 912,987.40, 1,369,481.10 and 897,435.40 is: 1,346,153.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,987.40 : 1,369,481.10 = 897,435.40 : x
  2. Step 2: Convert to fraction form
    912,987.40/1,369,481.10 = 897,435.40/x
  3. Step 3: Cross multiply
    912,987.40x = 1,369,481.10 × 897,435.40
  4. Step 4: Simplify right side
    912,987.40x = 1,229,020,818,770.94
  5. Step 5: Solve for x
    x = 1,229,020,818,770.94/912,987.40
  6. Step 6: Final answer
    x = 1,346,153.10

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Similar ratio
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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.