Home / 1,287,019.53-1,776,918.92-797,508.50

Finding the Fourth Proportional to 1,287,019.53, 1,776,918.92 and 797,508.50

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Solution

The fourth proportional to 1,287,019.53, 1,776,918.92 and 797,508.50 is: 1,101,077.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,019.53 : 1,776,918.92 = 797,508.50 : x
  2. Step 2: Convert to fraction form
    1,287,019.53/1,776,918.92 = 797,508.50/x
  3. Step 3: Cross multiply
    1,287,019.53x = 1,776,918.92 × 797,508.50
  4. Step 4: Simplify right side
    1,287,019.53x = 1,417,107,929,638.68
  5. Step 5: Solve for x
    x = 1,417,107,929,638.68/1,287,019.53
  6. Step 6: Final answer
    x = 1,101,077.25

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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.