Home / 912,940.40-1,369,410.60-897,388.40

Finding the Fourth Proportional to 912,940.40, 1,369,410.60 and 897,388.40

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Solution

The fourth proportional to 912,940.40, 1,369,410.60 and 897,388.40 is: 1,346,082.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,940.40 : 1,369,410.60 = 897,388.40 : x
  2. Step 2: Convert to fraction form
    912,940.40/1,369,410.60 = 897,388.40/x
  3. Step 3: Cross multiply
    912,940.40x = 1,369,410.60 × 897,388.40
  4. Step 4: Simplify right side
    912,940.40x = 1,228,893,187,277.04
  5. Step 5: Solve for x
    x = 1,228,893,187,277.04/912,940.40
  6. Step 6: Final answer
    x = 1,346,082.60

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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.