Home / 1,608,767.02-2,412,823.55-471,223.78

Finding the Fourth Proportional to 1,608,767.02, 2,412,823.55 and 471,223.78

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Solution

The fourth proportional to 1,608,767.02, 2,412,823.55 and 471,223.78 is: 706,739.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,767.02 : 2,412,823.55 = 471,223.78 : x
  2. Step 2: Convert to fraction form
    1,608,767.02/2,412,823.55 = 471,223.78/x
  3. Step 3: Cross multiply
    1,608,767.02x = 2,412,823.55 × 471,223.78
  4. Step 4: Simplify right side
    1,608,767.02x = 1,136,979,825,315.84
  5. Step 5: Solve for x
    x = 1,136,979,825,315.84/1,608,767.02
  6. Step 6: Final answer
    x = 706,739.89

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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.