Home / 1,998,399.10-2,998,097.99-578,455.18

Finding the Fourth Proportional to 1,998,399.10, 2,998,097.99 and 578,455.18

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Solution

The fourth proportional to 1,998,399.10, 2,998,097.99 and 578,455.18 is: 867,827.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,399.10 : 2,998,097.99 = 578,455.18 : x
  2. Step 2: Convert to fraction form
    1,998,399.10/2,998,097.99 = 578,455.18/x
  3. Step 3: Cross multiply
    1,998,399.10x = 2,998,097.99 × 578,455.18
  4. Step 4: Simplify right side
    1,998,399.10x = 1,734,265,305,132.69
  5. Step 5: Solve for x
    x = 1,734,265,305,132.69/1,998,399.10
  6. Step 6: Final answer
    x = 867,827.30

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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.