Home / 1,421,456.92-2,131,871.34-410,359.24

Finding the Fourth Proportional to 1,421,456.92, 2,131,871.34 and 410,359.24

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Solution

The fourth proportional to 1,421,456.92, 2,131,871.34 and 410,359.24 is: 615,448.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,456.92 : 2,131,871.34 = 410,359.24 : x
  2. Step 2: Convert to fraction form
    1,421,456.92/2,131,871.34 = 410,359.24/x
  3. Step 3: Cross multiply
    1,421,456.92x = 2,131,871.34 × 410,359.24
  4. Step 4: Simplify right side
    1,421,456.92x = 874,833,102,860.18
  5. Step 5: Solve for x
    x = 874,833,102,860.18/1,421,456.92
  6. Step 6: Final answer
    x = 615,448.20

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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.