Home / 1,102,139.66-1,653,227.03-419,036.93

Finding the Fourth Proportional to 1,102,139.66, 1,653,227.03 and 419,036.93

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Solution

The fourth proportional to 1,102,139.66, 1,653,227.03 and 419,036.93 is: 628,562.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,139.66 : 1,653,227.03 = 419,036.93 : x
  2. Step 2: Convert to fraction form
    1,102,139.66/1,653,227.03 = 419,036.93/x
  3. Step 3: Cross multiply
    1,102,139.66x = 1,653,227.03 × 419,036.93
  4. Step 4: Simplify right side
    1,102,139.66x = 692,763,181,282.10
  5. Step 5: Solve for x
    x = 692,763,181,282.10/1,102,139.66
  6. Step 6: Final answer
    x = 628,562.06

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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.