Home / 1,419,487.52-2,129,566.89-459,941.54

Finding the Fourth Proportional to 1,419,487.52, 2,129,566.89 and 459,941.54

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Solution

The fourth proportional to 1,419,487.52, 2,129,566.89 and 459,941.54 is: 690,021.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,487.52 : 2,129,566.89 = 459,941.54 : x
  2. Step 2: Convert to fraction form
    1,419,487.52/2,129,566.89 = 459,941.54/x
  3. Step 3: Cross multiply
    1,419,487.52x = 2,129,566.89 × 459,941.54
  4. Step 4: Simplify right side
    1,419,487.52x = 979,476,264,271.78
  5. Step 5: Solve for x
    x = 979,476,264,271.78/1,419,487.52
  6. Step 6: Final answer
    x = 690,021.05

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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.