Home / 1,497,172.68-2,066,149.26-818,152.92

Finding the Fourth Proportional to 1,497,172.68, 2,066,149.26 and 818,152.92

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Solution

The fourth proportional to 1,497,172.68, 2,066,149.26 and 818,152.92 is: 1,129,078.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497,172.68 : 2,066,149.26 = 818,152.92 : x
  2. Step 2: Convert to fraction form
    1,497,172.68/2,066,149.26 = 818,152.92/x
  3. Step 3: Cross multiply
    1,497,172.68x = 2,066,149.26 × 818,152.92
  4. Step 4: Simplify right side
    1,497,172.68x = 1,690,426,050,224.84
  5. Step 5: Solve for x
    x = 1,690,426,050,224.84/1,497,172.68
  6. Step 6: Final answer
    x = 1,129,078.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.