Home / 912,985.40-1,369,478.10-897,433.40

Finding the Fourth Proportional to 912,985.40, 1,369,478.10 and 897,433.40

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Solution

The fourth proportional to 912,985.40, 1,369,478.10 and 897,433.40 is: 1,346,150.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,985.40 : 1,369,478.10 = 897,433.40 : x
  2. Step 2: Convert to fraction form
    912,985.40/1,369,478.10 = 897,433.40/x
  3. Step 3: Cross multiply
    912,985.40x = 1,369,478.10 × 897,433.40
  4. Step 4: Simplify right side
    912,985.40x = 1,229,015,387,508.54
  5. Step 5: Solve for x
    x = 1,229,015,387,508.54/912,985.40
  6. Step 6: Final answer
    x = 1,346,150.10

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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.