Home / 1,186,974.45-1,780,463.90-288,416.94

Finding the Fourth Proportional to 1,186,974.45, 1,780,463.90 and 288,416.94

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Solution

The fourth proportional to 1,186,974.45, 1,780,463.90 and 288,416.94 is: 432,625.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,974.45 : 1,780,463.90 = 288,416.94 : x
  2. Step 2: Convert to fraction form
    1,186,974.45/1,780,463.90 = 288,416.94/x
  3. Step 3: Cross multiply
    1,186,974.45x = 1,780,463.90 × 288,416.94
  4. Step 4: Simplify right side
    1,186,974.45x = 513,515,948,376.38
  5. Step 5: Solve for x
    x = 513,515,948,376.38/1,186,974.45
  6. Step 6: Final answer
    x = 432,625.95

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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.