Home / 918,097.20-1,377,145.80-855,111.60

Finding the Fourth Proportional to 918,097.20, 1,377,145.80 and 855,111.60

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Solution

The fourth proportional to 918,097.20, 1,377,145.80 and 855,111.60 is: 1,282,667.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,097.20 : 1,377,145.80 = 855,111.60 : x
  2. Step 2: Convert to fraction form
    918,097.20/1,377,145.80 = 855,111.60/x
  3. Step 3: Cross multiply
    918,097.20x = 1,377,145.80 × 855,111.60
  4. Step 4: Simplify right side
    918,097.20x = 1,177,613,348,471.28
  5. Step 5: Solve for x
    x = 1,177,613,348,471.28/918,097.20
  6. Step 6: Final answer
    x = 1,282,667.40

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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.