Home / 1,245,616.79-1,866,973.56-571,769.28

Finding the Fourth Proportional to 1,245,616.79, 1,866,973.56 and 571,769.28

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Solution

The fourth proportional to 1,245,616.79, 1,866,973.56 and 571,769.28 is: 856,987.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,616.79 : 1,866,973.56 = 571,769.28 : x
  2. Step 2: Convert to fraction form
    1,245,616.79/1,866,973.56 = 571,769.28/x
  3. Step 3: Cross multiply
    1,245,616.79x = 1,866,973.56 × 571,769.28
  4. Step 4: Simplify right side
    1,245,616.79x = 1,067,478,126,036.10
  5. Step 5: Solve for x
    x = 1,067,478,126,036.10/1,245,616.79
  6. Step 6: Final answer
    x = 856,987.59

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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.