Home / 1,445,902.64-2,166,776.30-813,480.56

Finding the Fourth Proportional to 1,445,902.64, 2,166,776.30 and 813,480.56

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Solution

The fourth proportional to 1,445,902.64, 2,166,776.30 and 813,480.56 is: 1,219,051.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,902.64 : 2,166,776.30 = 813,480.56 : x
  2. Step 2: Convert to fraction form
    1,445,902.64/2,166,776.30 = 813,480.56/x
  3. Step 3: Cross multiply
    1,445,902.64x = 2,166,776.30 × 813,480.56
  4. Step 4: Simplify right side
    1,445,902.64x = 1,762,630,397,918.73
  5. Step 5: Solve for x
    x = 1,762,630,397,918.73/1,445,902.64
  6. Step 6: Final answer
    x = 1,219,051.93

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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.