Home / 1,444,164.80-2,165,436.80-989,270.16

Finding the Fourth Proportional to 1,444,164.80, 2,165,436.80 and 989,270.16

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Solution

The fourth proportional to 1,444,164.80, 2,165,436.80 and 989,270.16 is: 1,483,350.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444,164.80 : 2,165,436.80 = 989,270.16 : x
  2. Step 2: Convert to fraction form
    1,444,164.80/2,165,436.80 = 989,270.16/x
  3. Step 3: Cross multiply
    1,444,164.80x = 2,165,436.80 × 989,270.16
  4. Step 4: Simplify right side
    1,444,164.80x = 2,142,202,017,994.14
  5. Step 5: Solve for x
    x = 2,142,202,017,994.14/1,444,164.80
  6. Step 6: Final answer
    x = 1,483,350.12

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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.