Home / 1,211,296.93-1,671,664.42-667,432.63

Finding the Fourth Proportional to 1,211,296.93, 1,671,664.42 and 667,432.63

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Solution

The fourth proportional to 1,211,296.93, 1,671,664.42 and 667,432.63 is: 921,098.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,296.93 : 1,671,664.42 = 667,432.63 : x
  2. Step 2: Convert to fraction form
    1,211,296.93/1,671,664.42 = 667,432.63/x
  3. Step 3: Cross multiply
    1,211,296.93x = 1,671,664.42 × 667,432.63
  4. Step 4: Simplify right side
    1,211,296.93x = 1,115,723,381,364.74
  5. Step 5: Solve for x
    x = 1,115,723,381,364.74/1,211,296.93
  6. Step 6: Final answer
    x = 921,098.17

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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.