Home / 1,146,220.40-1,719,330.60-742,062.80

Finding the Fourth Proportional to 1,146,220.40, 1,719,330.60 and 742,062.80

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Solution

The fourth proportional to 1,146,220.40, 1,719,330.60 and 742,062.80 is: 1,113,094.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,220.40 : 1,719,330.60 = 742,062.80 : x
  2. Step 2: Convert to fraction form
    1,146,220.40/1,719,330.60 = 742,062.80/x
  3. Step 3: Cross multiply
    1,146,220.40x = 1,719,330.60 × 742,062.80
  4. Step 4: Simplify right side
    1,146,220.40x = 1,275,851,279,161.68
  5. Step 5: Solve for x
    x = 1,275,851,279,161.68/1,146,220.40
  6. Step 6: Final answer
    x = 1,113,094.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.