Home / 1,275,062.65-1,912,143.81-376,263.97

Finding the Fourth Proportional to 1,275,062.65, 1,912,143.81 and 376,263.97

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Solution

The fourth proportional to 1,275,062.65, 1,912,143.81 and 376,263.97 is: 564,263.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,062.65 : 1,912,143.81 = 376,263.97 : x
  2. Step 2: Convert to fraction form
    1,275,062.65/1,912,143.81 = 376,263.97/x
  3. Step 3: Cross multiply
    1,275,062.65x = 1,912,143.81 × 376,263.97
  4. Step 4: Simplify right side
    1,275,062.65x = 719,470,817,792.16
  5. Step 5: Solve for x
    x = 719,470,817,792.16/1,275,062.65
  6. Step 6: Final answer
    x = 564,263.11

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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.