Home / 1,062,721.06-1,587,308.68-961,363.20

Finding the Fourth Proportional to 1,062,721.06, 1,587,308.68 and 961,363.20

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Solution

The fourth proportional to 1,062,721.06, 1,587,308.68 and 961,363.20 is: 1,435,917.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062,721.06 : 1,587,308.68 = 961,363.20 : x
  2. Step 2: Convert to fraction form
    1,062,721.06/1,587,308.68 = 961,363.20/x
  3. Step 3: Cross multiply
    1,062,721.06x = 1,587,308.68 × 961,363.20
  4. Step 4: Simplify right side
    1,062,721.06x = 1,525,980,151,992.58
  5. Step 5: Solve for x
    x = 1,525,980,151,992.58/1,062,721.06
  6. Step 6: Final answer
    x = 1,435,917.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.