Home / 1,522,066.89-2,100,467.75-918,338.25

Finding the Fourth Proportional to 1,522,066.89, 2,100,467.75 and 918,338.25

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Solution

The fourth proportional to 1,522,066.89, 2,100,467.75 and 918,338.25 is: 1,267,316.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522,066.89 : 2,100,467.75 = 918,338.25 : x
  2. Step 2: Convert to fraction form
    1,522,066.89/2,100,467.75 = 918,338.25/x
  3. Step 3: Cross multiply
    1,522,066.89x = 2,100,467.75 × 918,338.25
  4. Step 4: Simplify right side
    1,522,066.89x = 1,928,939,873,124.75
  5. Step 5: Solve for x
    x = 1,928,939,873,124.75/1,522,066.89
  6. Step 6: Final answer
    x = 1,267,316.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.