Home / 1,095,029.80-1,641,767.10-420,850.60

Finding the Fourth Proportional to 1,095,029.80, 1,641,767.10 and 420,850.60

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Solution

The fourth proportional to 1,095,029.80, 1,641,767.10 and 420,850.60 is: 630,977.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,029.80 : 1,641,767.10 = 420,850.60 : x
  2. Step 2: Convert to fraction form
    1,095,029.80/1,641,767.10 = 420,850.60/x
  3. Step 3: Cross multiply
    1,095,029.80x = 1,641,767.10 × 420,850.60
  4. Step 4: Simplify right side
    1,095,029.80x = 690,938,669,095.26
  5. Step 5: Solve for x
    x = 690,938,669,095.26/1,095,029.80
  6. Step 6: Final answer
    x = 630,977.05

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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.