Home / 1,560,104.80-2,339,984.40-438,287.20

Finding the Fourth Proportional to 1,560,104.80, 2,339,984.40 and 438,287.20

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Solution

The fourth proportional to 1,560,104.80, 2,339,984.40 and 438,287.20 is: 657,382.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,104.80 : 2,339,984.40 = 438,287.20 : x
  2. Step 2: Convert to fraction form
    1,560,104.80/2,339,984.40 = 438,287.20/x
  3. Step 3: Cross multiply
    1,560,104.80x = 2,339,984.40 × 438,287.20
  4. Step 4: Simplify right side
    1,560,104.80x = 1,025,585,210,719.68
  5. Step 5: Solve for x
    x = 1,025,585,210,719.68/1,560,104.80
  6. Step 6: Final answer
    x = 657,382.25

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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.