Home / 1,117,718.43-1,675,637.23-486,156.57

Finding the Fourth Proportional to 1,117,718.43, 1,675,637.23 and 486,156.57

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Solution

The fourth proportional to 1,117,718.43, 1,675,637.23 and 486,156.57 is: 728,825.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,718.43 : 1,675,637.23 = 486,156.57 : x
  2. Step 2: Convert to fraction form
    1,117,718.43/1,675,637.23 = 486,156.57/x
  3. Step 3: Cross multiply
    1,117,718.43x = 1,675,637.23 × 486,156.57
  4. Step 4: Simplify right side
    1,117,718.43x = 814,622,048,301.10
  5. Step 5: Solve for x
    x = 814,622,048,301.10/1,117,718.43
  6. Step 6: Final answer
    x = 728,825.82

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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.