Home / 1,664,915.66-2,297,583.57-900,969.22

Finding the Fourth Proportional to 1,664,915.66, 2,297,583.57 and 900,969.22

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Solution

The fourth proportional to 1,664,915.66, 2,297,583.57 and 900,969.22 is: 1,243,337.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,915.66 : 2,297,583.57 = 900,969.22 : x
  2. Step 2: Convert to fraction form
    1,664,915.66/2,297,583.57 = 900,969.22/x
  3. Step 3: Cross multiply
    1,664,915.66x = 2,297,583.57 × 900,969.22
  4. Step 4: Simplify right side
    1,664,915.66x = 2,070,052,076,947.72
  5. Step 5: Solve for x
    x = 2,070,052,076,947.72/1,664,915.66
  6. Step 6: Final answer
    x = 1,243,337.50

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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.