Home / 1,040,070.20-1,559,990.10-292,191.80

Finding the Fourth Proportional to 1,040,070.20, 1,559,990.10 and 292,191.80

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Solution

The fourth proportional to 1,040,070.20, 1,559,990.10 and 292,191.80 is: 438,255.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,070.20 : 1,559,990.10 = 292,191.80 : x
  2. Step 2: Convert to fraction form
    1,040,070.20/1,559,990.10 = 292,191.80/x
  3. Step 3: Cross multiply
    1,040,070.20x = 1,559,990.10 × 292,191.80
  4. Step 4: Simplify right side
    1,040,070.20x = 455,816,315,301.18
  5. Step 5: Solve for x
    x = 455,816,315,301.18/1,040,070.20
  6. Step 6: Final answer
    x = 438,255.34

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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.