Home / 1,448,286.64-1,998,605.28-803,701.60

Finding the Fourth Proportional to 1,448,286.64, 1,998,605.28 and 803,701.60

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Solution

The fourth proportional to 1,448,286.64, 1,998,605.28 and 803,701.60 is: 1,109,091.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,286.64 : 1,998,605.28 = 803,701.60 : x
  2. Step 2: Convert to fraction form
    1,448,286.64/1,998,605.28 = 803,701.60/x
  3. Step 3: Cross multiply
    1,448,286.64x = 1,998,605.28 × 803,701.60
  4. Step 4: Simplify right side
    1,448,286.64x = 1,606,282,261,304.45
  5. Step 5: Solve for x
    x = 1,606,282,261,304.45/1,448,286.64
  6. Step 6: Final answer
    x = 1,109,091.40

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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.