Home / 1,040,064.20-1,559,981.10-292,185.80

Finding the Fourth Proportional to 1,040,064.20, 1,559,981.10 and 292,185.80

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Solution

The fourth proportional to 1,040,064.20, 1,559,981.10 and 292,185.80 is: 438,246.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,064.20 : 1,559,981.10 = 292,185.80 : x
  2. Step 2: Convert to fraction form
    1,040,064.20/1,559,981.10 = 292,185.80/x
  3. Step 3: Cross multiply
    1,040,064.20x = 1,559,981.10 × 292,185.80
  4. Step 4: Simplify right side
    1,040,064.20x = 455,804,325,688.38
  5. Step 5: Solve for x
    x = 455,804,325,688.38/1,040,064.20
  6. Step 6: Final answer
    x = 438,246.34

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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.