Home / 1,439,893-2,160,161.65-541,342.52

Finding the Fourth Proportional to 1,439,893, 2,160,161.65 and 541,342.52

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Solution

The fourth proportional to 1,439,893, 2,160,161.65 and 541,342.52 is: 812,134.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,893 : 2,160,161.65 = 541,342.52 : x
  2. Step 2: Convert to fraction form
    1,439,893/2,160,161.65 = 541,342.52/x
  3. Step 3: Cross multiply
    1,439,893x = 2,160,161.65 × 541,342.52
  4. Step 4: Simplify right side
    1,439,893x = 1,169,387,351,218.36
  5. Step 5: Solve for x
    x = 1,169,387,351,218.36/1,439,893
  6. Step 6: Final answer
    x = 812,134.90

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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.