Home / 1,359,243.14-1,875,288.78-842,811.18

Finding the Fourth Proportional to 1,359,243.14, 1,875,288.78 and 842,811.18

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Solution

The fourth proportional to 1,359,243.14, 1,875,288.78 and 842,811.18 is: 1,162,790.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,243.14 : 1,875,288.78 = 842,811.18 : x
  2. Step 2: Convert to fraction form
    1,359,243.14/1,875,288.78 = 842,811.18/x
  3. Step 3: Cross multiply
    1,359,243.14x = 1,875,288.78 × 842,811.18
  4. Step 4: Simplify right side
    1,359,243.14x = 1,580,514,349,512.56
  5. Step 5: Solve for x
    x = 1,580,514,349,512.56/1,359,243.14
  6. Step 6: Final answer
    x = 1,162,790.02

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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.