Home / 1,380,119.31-2,070,261.66-433,490.03

Finding the Fourth Proportional to 1,380,119.31, 2,070,261.66 and 433,490.03

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Solution

The fourth proportional to 1,380,119.31, 2,070,261.66 and 433,490.03 is: 650,261.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,119.31 : 2,070,261.66 = 433,490.03 : x
  2. Step 2: Convert to fraction form
    1,380,119.31/2,070,261.66 = 433,490.03/x
  3. Step 3: Cross multiply
    1,380,119.31x = 2,070,261.66 × 433,490.03
  4. Step 4: Simplify right side
    1,380,119.31x = 897,437,778,749.94
  5. Step 5: Solve for x
    x = 897,437,778,749.94/1,380,119.31
  6. Step 6: Final answer
    x = 650,261.01

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1.5x scale

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.