Home / 1,405,402.92-1,939,456.68-760,823.11

Finding the Fourth Proportional to 1,405,402.92, 1,939,456.68 and 760,823.11

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Solution

The fourth proportional to 1,405,402.92, 1,939,456.68 and 760,823.11 is: 1,049,936.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,402.92 : 1,939,456.68 = 760,823.11 : x
  2. Step 2: Convert to fraction form
    1,405,402.92/1,939,456.68 = 760,823.11/x
  3. Step 3: Cross multiply
    1,405,402.92x = 1,939,456.68 × 760,823.11
  4. Step 4: Simplify right side
    1,405,402.92x = 1,475,583,467,836.52
  5. Step 5: Solve for x
    x = 1,475,583,467,836.52/1,405,402.92
  6. Step 6: Final answer
    x = 1,049,936.25

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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.