Home / 1,664,905.51-2,297,569.60-900,959.07

Finding the Fourth Proportional to 1,664,905.51, 2,297,569.60 and 900,959.07

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Solution

The fourth proportional to 1,664,905.51, 2,297,569.60 and 900,959.07 is: 1,243,323.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,905.51 : 2,297,569.60 = 900,959.07 : x
  2. Step 2: Convert to fraction form
    1,664,905.51/2,297,569.60 = 900,959.07/x
  3. Step 3: Cross multiply
    1,664,905.51x = 2,297,569.60 × 900,959.07
  4. Step 4: Simplify right side
    1,664,905.51x = 2,070,016,170,076.27
  5. Step 5: Solve for x
    x = 2,070,016,170,076.27/1,664,905.51
  6. Step 6: Final answer
    x = 1,243,323.51

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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.