Home / 1,186,972.19-1,780,460.52-288,414.69

Finding the Fourth Proportional to 1,186,972.19, 1,780,460.52 and 288,414.69

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Solution

The fourth proportional to 1,186,972.19, 1,780,460.52 and 288,414.69 is: 432,622.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,972.19 : 1,780,460.52 = 288,414.69 : x
  2. Step 2: Convert to fraction form
    1,186,972.19/1,780,460.52 = 288,414.69/x
  3. Step 3: Cross multiply
    1,186,972.19x = 1,780,460.52 × 288,414.69
  4. Step 4: Simplify right side
    1,186,972.19x = 513,510,968,212.00
  5. Step 5: Solve for x
    x = 513,510,968,212.00/1,186,972.19
  6. Step 6: Final answer
    x = 432,622.58

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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.