Home / 1,268,643.80-1,902,870.01-404,043.80

Finding the Fourth Proportional to 1,268,643.80, 1,902,870.01 and 404,043.80

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Solution

The fourth proportional to 1,268,643.80, 1,902,870.01 and 404,043.80 is: 606,035.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,643.80 : 1,902,870.01 = 404,043.80 : x
  2. Step 2: Convert to fraction form
    1,268,643.80/1,902,870.01 = 404,043.80/x
  3. Step 3: Cross multiply
    1,268,643.80x = 1,902,870.01 × 404,043.80
  4. Step 4: Simplify right side
    1,268,643.80x = 768,842,820,737.14
  5. Step 5: Solve for x
    x = 768,842,820,737.14/1,268,643.80
  6. Step 6: Final answer
    x = 606,035.22

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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.