Home / 1,394,409.17-2,090,330.26-542,047.79

Finding the Fourth Proportional to 1,394,409.17, 2,090,330.26 and 542,047.79

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Solution

The fourth proportional to 1,394,409.17, 2,090,330.26 and 542,047.79 is: 812,572.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,409.17 : 2,090,330.26 = 542,047.79 : x
  2. Step 2: Convert to fraction form
    1,394,409.17/2,090,330.26 = 542,047.79/x
  3. Step 3: Cross multiply
    1,394,409.17x = 2,090,330.26 × 542,047.79
  4. Step 4: Simplify right side
    1,394,409.17x = 1,133,058,901,673.83
  5. Step 5: Solve for x
    x = 1,133,058,901,673.83/1,394,409.17
  6. Step 6: Final answer
    x = 812,572.75

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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.