Home / 1,098,857.34-1,648,020.33-300,143.07

Finding the Fourth Proportional to 1,098,857.34, 1,648,020.33 and 300,143.07

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Solution

The fourth proportional to 1,098,857.34, 1,648,020.33 and 300,143.07 is: 450,142.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,857.34 : 1,648,020.33 = 300,143.07 : x
  2. Step 2: Convert to fraction form
    1,098,857.34/1,648,020.33 = 300,143.07/x
  3. Step 3: Cross multiply
    1,098,857.34x = 1,648,020.33 × 300,143.07
  4. Step 4: Simplify right side
    1,098,857.34x = 494,641,881,268.61
  5. Step 5: Solve for x
    x = 494,641,881,268.61/1,098,857.34
  6. Step 6: Final answer
    x = 450,142.04

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1.5x scale

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.