Home / 1,079,726.46-1,490,110.63-620,989.54

Finding the Fourth Proportional to 1,079,726.46, 1,490,110.63 and 620,989.54

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Solution

The fourth proportional to 1,079,726.46, 1,490,110.63 and 620,989.54 is: 857,016.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,726.46 : 1,490,110.63 = 620,989.54 : x
  2. Step 2: Convert to fraction form
    1,079,726.46/1,490,110.63 = 620,989.54/x
  3. Step 3: Cross multiply
    1,079,726.46x = 1,490,110.63 × 620,989.54
  4. Step 4: Simplify right side
    1,079,726.46x = 925,343,109,395.06
  5. Step 5: Solve for x
    x = 925,343,109,395.06/1,079,726.46
  6. Step 6: Final answer
    x = 857,016.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.