Home / 1,673,761.59-2,309,792.54-909,815.13

Finding the Fourth Proportional to 1,673,761.59, 2,309,792.54 and 909,815.13

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Solution

The fourth proportional to 1,673,761.59, 2,309,792.54 and 909,815.13 is: 1,255,545.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,761.59 : 2,309,792.54 = 909,815.13 : x
  2. Step 2: Convert to fraction form
    1,673,761.59/2,309,792.54 = 909,815.13/x
  3. Step 3: Cross multiply
    1,673,761.59x = 2,309,792.54 × 909,815.13
  4. Step 4: Simplify right side
    1,673,761.59x = 2,101,484,195,504.05
  5. Step 5: Solve for x
    x = 2,101,484,195,504.05/1,673,761.59
  6. Step 6: Final answer
    x = 1,255,545.72

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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.