Home / 1,665,261.18-2,298,116.07-1,020,556.80

Finding the Fourth Proportional to 1,665,261.18, 2,298,116.07 and 1,020,556.80

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Solution

The fourth proportional to 1,665,261.18, 2,298,116.07 and 1,020,556.80 is: 1,408,402.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,261.18 : 2,298,116.07 = 1,020,556.80 : x
  2. Step 2: Convert to fraction form
    1,665,261.18/2,298,116.07 = 1,020,556.80/x
  3. Step 3: Cross multiply
    1,665,261.18x = 2,298,116.07 × 1,020,556.80
  4. Step 4: Simplify right side
    1,665,261.18x = 2,345,357,982,427.78
  5. Step 5: Solve for x
    x = 2,345,357,982,427.78/1,665,261.18
  6. Step 6: Final answer
    x = 1,408,402.48

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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.