Home / 1,115,721.06-1,539,727.52-632,270.12

Finding the Fourth Proportional to 1,115,721.06, 1,539,727.52 and 632,270.12

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Solution

The fourth proportional to 1,115,721.06, 1,539,727.52 and 632,270.12 is: 872,551.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,721.06 : 1,539,727.52 = 632,270.12 : x
  2. Step 2: Convert to fraction form
    1,115,721.06/1,539,727.52 = 632,270.12/x
  3. Step 3: Cross multiply
    1,115,721.06x = 1,539,727.52 × 632,270.12
  4. Step 4: Simplify right side
    1,115,721.06x = 973,523,703,837.70
  5. Step 5: Solve for x
    x = 973,523,703,837.70/1,115,721.06
  6. Step 6: Final answer
    x = 872,551.16

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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.