Home / 1,224,849.02-1,690,319.09-673,529.78

Finding the Fourth Proportional to 1,224,849.02, 1,690,319.09 and 673,529.78

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Solution

The fourth proportional to 1,224,849.02, 1,690,319.09 and 673,529.78 is: 929,486.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,849.02 : 1,690,319.09 = 673,529.78 : x
  2. Step 2: Convert to fraction form
    1,224,849.02/1,690,319.09 = 673,529.78/x
  3. Step 3: Cross multiply
    1,224,849.02x = 1,690,319.09 × 673,529.78
  4. Step 4: Simplify right side
    1,224,849.02x = 1,138,480,250,727.12
  5. Step 5: Solve for x
    x = 1,138,480,250,727.12/1,224,849.02
  6. Step 6: Final answer
    x = 929,486.20

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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.