Home / 1,560,142.72-2,339,750.40-661,571.20

Finding the Fourth Proportional to 1,560,142.72, 2,339,750.40 and 661,571.20

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Solution

The fourth proportional to 1,560,142.72, 2,339,750.40 and 661,571.20 is: 992,160.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,142.72 : 2,339,750.40 = 661,571.20 : x
  2. Step 2: Convert to fraction form
    1,560,142.72/2,339,750.40 = 661,571.20/x
  3. Step 3: Cross multiply
    1,560,142.72x = 2,339,750.40 × 661,571.20
  4. Step 4: Simplify right side
    1,560,142.72x = 1,547,911,479,828.48
  5. Step 5: Solve for x
    x = 1,547,911,479,828.48/1,560,142.72
  6. Step 6: Final answer
    x = 992,160.18

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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.