Home / 1,206,875.20-1,805,647.20-786,971.20

Finding the Fourth Proportional to 1,206,875.20, 1,805,647.20 and 786,971.20

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Solution

The fourth proportional to 1,206,875.20, 1,805,647.20 and 786,971.20 is: 1,177,414.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,875.20 : 1,805,647.20 = 786,971.20 : x
  2. Step 2: Convert to fraction form
    1,206,875.20/1,805,647.20 = 786,971.20/x
  3. Step 3: Cross multiply
    1,206,875.20x = 1,805,647.20 × 786,971.20
  4. Step 4: Simplify right side
    1,206,875.20x = 1,420,992,343,760.64
  5. Step 5: Solve for x
    x = 1,420,992,343,760.64/1,206,875.20
  6. Step 6: Final answer
    x = 1,177,414.49

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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.