Home / 1,998,407.19-2,997,636.30-578,464.64

Finding the Fourth Proportional to 1,998,407.19, 2,997,636.30 and 578,464.64

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Solution

The fourth proportional to 1,998,407.19, 2,997,636.30 and 578,464.64 is: 867,704.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,407.19 : 2,997,636.30 = 578,464.64 : x
  2. Step 2: Convert to fraction form
    1,998,407.19/2,997,636.30 = 578,464.64/x
  3. Step 3: Cross multiply
    1,998,407.19x = 2,997,636.30 × 578,464.64
  4. Step 4: Simplify right side
    1,998,407.19x = 1,734,026,585,249.93
  5. Step 5: Solve for x
    x = 1,734,026,585,249.93/1,998,407.19
  6. Step 6: Final answer
    x = 867,704.34

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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.