Home / 1,384,121.46-1,908,894.83-900,510.15

Finding the Fourth Proportional to 1,384,121.46, 1,908,894.83 and 900,510.15

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Solution

The fourth proportional to 1,384,121.46, 1,908,894.83 and 900,510.15 is: 1,241,927.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,121.46 : 1,908,894.83 = 900,510.15 : x
  2. Step 2: Convert to fraction form
    1,384,121.46/1,908,894.83 = 900,510.15/x
  3. Step 3: Cross multiply
    1,384,121.46x = 1,908,894.83 × 900,510.15
  4. Step 4: Simplify right side
    1,384,121.46x = 1,718,979,165,194.97
  5. Step 5: Solve for x
    x = 1,718,979,165,194.97/1,384,121.46
  6. Step 6: Final answer
    x = 1,241,927.98

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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.