Home / 1,664,963.72-2,297,649.78-901,017.32

Finding the Fourth Proportional to 1,664,963.72, 2,297,649.78 and 901,017.32

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Solution

The fourth proportional to 1,664,963.72, 2,297,649.78 and 901,017.32 is: 1,243,403.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,963.72 : 2,297,649.78 = 901,017.32 : x
  2. Step 2: Convert to fraction form
    1,664,963.72/2,297,649.78 = 901,017.32/x
  3. Step 3: Cross multiply
    1,664,963.72x = 2,297,649.78 × 901,017.32
  4. Step 4: Simplify right side
    1,664,963.72x = 2,070,222,247,074.19
  5. Step 5: Solve for x
    x = 2,070,222,247,074.19/1,664,963.72
  6. Step 6: Final answer
    x = 1,243,403.82

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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.