Home / 1,124,883.48-1,552,099.08-666,142.20

Finding the Fourth Proportional to 1,124,883.48, 1,552,099.08 and 666,142.20

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Solution

The fourth proportional to 1,124,883.48, 1,552,099.08 and 666,142.20 is: 919,134.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,883.48 : 1,552,099.08 = 666,142.20 : x
  2. Step 2: Convert to fraction form
    1,124,883.48/1,552,099.08 = 666,142.20/x
  3. Step 3: Cross multiply
    1,124,883.48x = 1,552,099.08 × 666,142.20
  4. Step 4: Simplify right side
    1,124,883.48x = 1,033,918,695,769.18
  5. Step 5: Solve for x
    x = 1,033,918,695,769.18/1,124,883.48
  6. Step 6: Final answer
    x = 919,134.04

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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.