Home / 1,338,662.70-2,005,041.60-805,253.40

Finding the Fourth Proportional to 1,338,662.70, 2,005,041.60 and 805,253.40

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Solution

The fourth proportional to 1,338,662.70, 2,005,041.60 and 805,253.40 is: 1,206,104.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,662.70 : 2,005,041.60 = 805,253.40 : x
  2. Step 2: Convert to fraction form
    1,338,662.70/2,005,041.60 = 805,253.40/x
  3. Step 3: Cross multiply
    1,338,662.70x = 2,005,041.60 × 805,253.40
  4. Step 4: Simplify right side
    1,338,662.70x = 1,614,566,565,541.44
  5. Step 5: Solve for x
    x = 1,614,566,565,541.44/1,338,662.70
  6. Step 6: Final answer
    x = 1,206,104.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.