Home / 1,324,701.47-1,828,326.60-780,805.51

Finding the Fourth Proportional to 1,324,701.47, 1,828,326.60 and 780,805.51

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Solution

The fourth proportional to 1,324,701.47, 1,828,326.60 and 780,805.51 is: 1,077,652.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,701.47 : 1,828,326.60 = 780,805.51 : x
  2. Step 2: Convert to fraction form
    1,324,701.47/1,828,326.60 = 780,805.51/x
  3. Step 3: Cross multiply
    1,324,701.47x = 1,828,326.60 × 780,805.51
  4. Step 4: Simplify right side
    1,324,701.47x = 1,427,567,478,788.75
  5. Step 5: Solve for x
    x = 1,427,567,478,788.75/1,324,701.47
  6. Step 6: Final answer
    x = 1,077,652.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.