Home / 1,664,813.78-2,297,447.01-900,875.54

Finding the Fourth Proportional to 1,664,813.78, 2,297,447.01 and 900,875.54

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Solution

The fourth proportional to 1,664,813.78, 2,297,447.01 and 900,875.54 is: 1,243,210.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,813.78 : 2,297,447.01 = 900,875.54 : x
  2. Step 2: Convert to fraction form
    1,664,813.78/2,297,447.01 = 900,875.54/x
  3. Step 3: Cross multiply
    1,664,813.78x = 2,297,447.01 × 900,875.54
  4. Step 4: Simplify right side
    1,664,813.78x = 2,069,713,815,755.14
  5. Step 5: Solve for x
    x = 2,069,713,815,755.14/1,664,813.78
  6. Step 6: Final answer
    x = 1,243,210.41

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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.