Home / 1,040,535-1,560,085.38-409,521.24

Finding the Fourth Proportional to 1,040,535, 1,560,085.38 and 409,521.24

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Solution

The fourth proportional to 1,040,535, 1,560,085.38 and 409,521.24 is: 613,999.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,535 : 1,560,085.38 = 409,521.24 : x
  2. Step 2: Convert to fraction form
    1,040,535/1,560,085.38 = 409,521.24/x
  3. Step 3: Cross multiply
    1,040,535x = 1,560,085.38 × 409,521.24
  4. Step 4: Simplify right side
    1,040,535x = 638,888,099,323.47
  5. Step 5: Solve for x
    x = 638,888,099,323.47/1,040,535
  6. Step 6: Final answer
    x = 613,999.62

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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.