Home / 1,664,912-2,297,578.56-900,965.56

Finding the Fourth Proportional to 1,664,912, 2,297,578.56 and 900,965.56

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Solution

The fourth proportional to 1,664,912, 2,297,578.56 and 900,965.56 is: 1,243,332.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,912 : 2,297,578.56 = 900,965.56 : x
  2. Step 2: Convert to fraction form
    1,664,912/2,297,578.56 = 900,965.56/x
  3. Step 3: Cross multiply
    1,664,912x = 2,297,578.56 × 900,965.56
  4. Step 4: Simplify right side
    1,664,912x = 2,070,039,153,954.39
  5. Step 5: Solve for x
    x = 2,070,039,153,954.39/1,664,912
  6. Step 6: Final answer
    x = 1,243,332.47

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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.