Home / 1,444,998.90-2,165,165.55-911,565.30

Finding the Fourth Proportional to 1,444,998.90, 2,165,165.55 and 911,565.30

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Solution

The fourth proportional to 1,444,998.90, 2,165,165.55 and 911,565.30 is: 1,365,876.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444,998.90 : 2,165,165.55 = 911,565.30 : x
  2. Step 2: Convert to fraction form
    1,444,998.90/2,165,165.55 = 911,565.30/x
  3. Step 3: Cross multiply
    1,444,998.90x = 2,165,165.55 × 911,565.30
  4. Step 4: Simplify right side
    1,444,998.90x = 1,973,689,784,135.42
  5. Step 5: Solve for x
    x = 1,973,689,784,135.42/1,444,998.90
  6. Step 6: Final answer
    x = 1,365,876.32

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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.