Home / 1,107,999.90-1,660,833.45-433,820.70

Finding the Fourth Proportional to 1,107,999.90, 1,660,833.45 and 433,820.70

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Solution

The fourth proportional to 1,107,999.90, 1,660,833.45 and 433,820.70 is: 650,274.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,999.90 : 1,660,833.45 = 433,820.70 : x
  2. Step 2: Convert to fraction form
    1,107,999.90/1,660,833.45 = 433,820.70/x
  3. Step 3: Cross multiply
    1,107,999.90x = 1,660,833.45 × 433,820.70
  4. Step 4: Simplify right side
    1,107,999.90x = 720,503,929,862.42
  5. Step 5: Solve for x
    x = 720,503,929,862.42/1,107,999.90
  6. Step 6: Final answer
    x = 650,274.36

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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.