Home / 1,040,056.20-1,559,969.10-292,177.80

Finding the Fourth Proportional to 1,040,056.20, 1,559,969.10 and 292,177.80

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Solution

The fourth proportional to 1,040,056.20, 1,559,969.10 and 292,177.80 is: 438,234.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,056.20 : 1,559,969.10 = 292,177.80 : x
  2. Step 2: Convert to fraction form
    1,040,056.20/1,559,969.10 = 292,177.80/x
  3. Step 3: Cross multiply
    1,040,056.20x = 1,559,969.10 × 292,177.80
  4. Step 4: Simplify right side
    1,040,056.20x = 455,788,339,705.98
  5. Step 5: Solve for x
    x = 455,788,339,705.98/1,040,056.20
  6. Step 6: Final answer
    x = 438,234.34

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Double scale
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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.