Home / 1,232,556.60-1,845,206.10-918,406.20

Finding the Fourth Proportional to 1,232,556.60, 1,845,206.10 and 918,406.20

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Solution

The fourth proportional to 1,232,556.60, 1,845,206.10 and 918,406.20 is: 1,374,905.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,556.60 : 1,845,206.10 = 918,406.20 : x
  2. Step 2: Convert to fraction form
    1,232,556.60/1,845,206.10 = 918,406.20/x
  3. Step 3: Cross multiply
    1,232,556.60x = 1,845,206.10 × 918,406.20
  4. Step 4: Simplify right side
    1,232,556.60x = 1,694,648,722,517.82
  5. Step 5: Solve for x
    x = 1,694,648,722,517.82/1,232,556.60
  6. Step 6: Final answer
    x = 1,374,905.40

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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.