Home / 1,208,416.85-1,667,581.98-664,552.64

Finding the Fourth Proportional to 1,208,416.85, 1,667,581.98 and 664,552.64

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Solution

The fourth proportional to 1,208,416.85, 1,667,581.98 and 664,552.64 is: 917,064.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,416.85 : 1,667,581.98 = 664,552.64 : x
  2. Step 2: Convert to fraction form
    1,208,416.85/1,667,581.98 = 664,552.64/x
  3. Step 3: Cross multiply
    1,208,416.85x = 1,667,581.98 × 664,552.64
  4. Step 4: Simplify right side
    1,208,416.85x = 1,108,196,007,225.43
  5. Step 5: Solve for x
    x = 1,108,196,007,225.43/1,208,416.85
  6. Step 6: Final answer
    x = 917,064.35

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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.