Home / 1,175,923.12-1,622,999.28-666,627.52

Finding the Fourth Proportional to 1,175,923.12, 1,622,999.28 and 666,627.52

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Solution

The fourth proportional to 1,175,923.12, 1,622,999.28 and 666,627.52 is: 920,073.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,923.12 : 1,622,999.28 = 666,627.52 : x
  2. Step 2: Convert to fraction form
    1,175,923.12/1,622,999.28 = 666,627.52/x
  3. Step 3: Cross multiply
    1,175,923.12x = 1,622,999.28 × 666,627.52
  4. Step 4: Simplify right side
    1,175,923.12x = 1,081,935,984,988.19
  5. Step 5: Solve for x
    x = 1,081,935,984,988.19/1,175,923.12
  6. Step 6: Final answer
    x = 920,073.74

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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.