Home / 1,641,306.40-2,457,812.40-1,077,287.20

Finding the Fourth Proportional to 1,641,306.40, 2,457,812.40 and 1,077,287.20

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Solution

The fourth proportional to 1,641,306.40, 2,457,812.40 and 1,077,287.20 is: 1,613,208.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,306.40 : 2,457,812.40 = 1,077,287.20 : x
  2. Step 2: Convert to fraction form
    1,641,306.40/2,457,812.40 = 1,077,287.20/x
  3. Step 3: Cross multiply
    1,641,306.40x = 2,457,812.40 × 1,077,287.20
  4. Step 4: Simplify right side
    1,641,306.40x = 2,647,769,838,521.28
  5. Step 5: Solve for x
    x = 2,647,769,838,521.28/1,641,306.40
  6. Step 6: Final answer
    x = 1,613,208.75

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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.