Home / 1,560,476.40-2,337,215.40-1,280,540.40

Finding the Fourth Proportional to 1,560,476.40, 2,337,215.40 and 1,280,540.40

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Solution

The fourth proportional to 1,560,476.40, 2,337,215.40 and 1,280,540.40 is: 1,917,939.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,476.40 : 2,337,215.40 = 1,280,540.40 : x
  2. Step 2: Convert to fraction form
    1,560,476.40/2,337,215.40 = 1,280,540.40/x
  3. Step 3: Cross multiply
    1,560,476.40x = 2,337,215.40 × 1,280,540.40
  4. Step 4: Simplify right side
    1,560,476.40x = 2,992,898,743,202.16
  5. Step 5: Solve for x
    x = 2,992,898,743,202.16/1,560,476.40
  6. Step 6: Final answer
    x = 1,917,939.13

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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.