Home / 1,648,390.72-2,472,941.30-511,130.04

Finding the Fourth Proportional to 1,648,390.72, 2,472,941.30 and 511,130.04

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Solution

The fourth proportional to 1,648,390.72, 2,472,941.30 and 511,130.04 is: 766,805.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648,390.72 : 2,472,941.30 = 511,130.04 : x
  2. Step 2: Convert to fraction form
    1,648,390.72/2,472,941.30 = 511,130.04/x
  3. Step 3: Cross multiply
    1,648,390.72x = 2,472,941.30 × 511,130.04
  4. Step 4: Simplify right side
    1,648,390.72x = 1,263,994,585,586.65
  5. Step 5: Solve for x
    x = 1,263,994,585,586.65/1,648,390.72
  6. Step 6: Final answer
    x = 766,805.21

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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.