Home / 1,208,178.02-1,667,242.98-664,310

Finding the Fourth Proportional to 1,208,178.02, 1,667,242.98 and 664,310

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Solution

The fourth proportional to 1,208,178.02, 1,667,242.98 and 664,310 is: 916,724.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,178.02 : 1,667,242.98 = 664,310 : x
  2. Step 2: Convert to fraction form
    1,208,178.02/1,667,242.98 = 664,310/x
  3. Step 3: Cross multiply
    1,208,178.02x = 1,667,242.98 × 664,310
  4. Step 4: Simplify right side
    1,208,178.02x = 1,107,566,184,043.80
  5. Step 5: Solve for x
    x = 1,107,566,184,043.80/1,208,178.02
  6. Step 6: Final answer
    x = 916,724.33

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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.