Home / 1,078,169.80-1,614,921.90-700,256.20

Finding the Fourth Proportional to 1,078,169.80, 1,614,921.90 and 700,256.20

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Solution

The fourth proportional to 1,078,169.80, 1,614,921.90 and 700,256.20 is: 1,048,869.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,169.80 : 1,614,921.90 = 700,256.20 : x
  2. Step 2: Convert to fraction form
    1,078,169.80/1,614,921.90 = 700,256.20/x
  3. Step 3: Cross multiply
    1,078,169.80x = 1,614,921.90 × 700,256.20
  4. Step 4: Simplify right side
    1,078,169.80x = 1,130,859,072,990.78
  5. Step 5: Solve for x
    x = 1,130,859,072,990.78/1,078,169.80
  6. Step 6: Final answer
    x = 1,048,869.18

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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.