Home / 1,084,029.42-1,618,310.55-1,011,989.46

Finding the Fourth Proportional to 1,084,029.42, 1,618,310.55 and 1,011,989.46

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Solution

The fourth proportional to 1,084,029.42, 1,618,310.55 and 1,011,989.46 is: 1,510,764.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084,029.42 : 1,618,310.55 = 1,011,989.46 : x
  2. Step 2: Convert to fraction form
    1,084,029.42/1,618,310.55 = 1,011,989.46/x
  3. Step 3: Cross multiply
    1,084,029.42x = 1,618,310.55 × 1,011,989.46
  4. Step 4: Simplify right side
    1,084,029.42x = 1,637,713,219,606.80
  5. Step 5: Solve for x
    x = 1,637,713,219,606.80/1,084,029.42
  6. Step 6: Final answer
    x = 1,510,764.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.