Home / 1,361,199.65-2,036,669.23-812,061.26

Finding the Fourth Proportional to 1,361,199.65, 2,036,669.23 and 812,061.26

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Solution

The fourth proportional to 1,361,199.65, 2,036,669.23 and 812,061.26 is: 1,215,031.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,199.65 : 2,036,669.23 = 812,061.26 : x
  2. Step 2: Convert to fraction form
    1,361,199.65/2,036,669.23 = 812,061.26/x
  3. Step 3: Cross multiply
    1,361,199.65x = 2,036,669.23 × 812,061.26
  4. Step 4: Simplify right side
    1,361,199.65x = 1,653,900,179,586.27
  5. Step 5: Solve for x
    x = 1,653,900,179,586.27/1,361,199.65
  6. Step 6: Final answer
    x = 1,215,031.30

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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.