Home / 1,053,111.51-1,579,831.20-342,974.34

Finding the Fourth Proportional to 1,053,111.51, 1,579,831.20 and 342,974.34

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Solution

The fourth proportional to 1,053,111.51, 1,579,831.20 and 342,974.34 is: 514,514.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,111.51 : 1,579,831.20 = 342,974.34 : x
  2. Step 2: Convert to fraction form
    1,053,111.51/1,579,831.20 = 342,974.34/x
  3. Step 3: Cross multiply
    1,053,111.51x = 1,579,831.20 × 342,974.34
  4. Step 4: Simplify right side
    1,053,111.51x = 541,841,563,131.41
  5. Step 5: Solve for x
    x = 541,841,563,131.41/1,053,111.51
  6. Step 6: Final answer
    x = 514,514.90

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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.