Home / 1,025,107.90-1,537,661.85-978,451.90

Finding the Fourth Proportional to 1,025,107.90, 1,537,661.85 and 978,451.90

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Solution

The fourth proportional to 1,025,107.90, 1,537,661.85 and 978,451.90 is: 1,467,677.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,107.90 : 1,537,661.85 = 978,451.90 : x
  2. Step 2: Convert to fraction form
    1,025,107.90/1,537,661.85 = 978,451.90/x
  3. Step 3: Cross multiply
    1,025,107.90x = 1,537,661.85 × 978,451.90
  4. Step 4: Simplify right side
    1,025,107.90x = 1,504,528,158,690.02
  5. Step 5: Solve for x
    x = 1,504,528,158,690.02/1,025,107.90
  6. Step 6: Final answer
    x = 1,467,677.85

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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.