Home / 1,293,840.80-1,940,761.20-941,328.80

Finding the Fourth Proportional to 1,293,840.80, 1,940,761.20 and 941,328.80

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Solution

The fourth proportional to 1,293,840.80, 1,940,761.20 and 941,328.80 is: 1,411,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,840.80 : 1,940,761.20 = 941,328.80 : x
  2. Step 2: Convert to fraction form
    1,293,840.80/1,940,761.20 = 941,328.80/x
  3. Step 3: Cross multiply
    1,293,840.80x = 1,940,761.20 × 941,328.80
  4. Step 4: Simplify right side
    1,293,840.80x = 1,826,894,411,482.56
  5. Step 5: Solve for x
    x = 1,826,894,411,482.56/1,293,840.80
  6. Step 6: Final answer
    x = 1,411,993.20

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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.