Home / 1,919,288.52-2,648,619-1,059,907.14

Finding the Fourth Proportional to 1,919,288.52, 2,648,619 and 1,059,907.14

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Solution

The fourth proportional to 1,919,288.52, 2,648,619 and 1,059,907.14 is: 1,462,672.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,288.52 : 2,648,619 = 1,059,907.14 : x
  2. Step 2: Convert to fraction form
    1,919,288.52/2,648,619 = 1,059,907.14/x
  3. Step 3: Cross multiply
    1,919,288.52x = 2,648,619 × 1,059,907.14
  4. Step 4: Simplify right side
    1,919,288.52x = 2,807,290,189,239.66
  5. Step 5: Solve for x
    x = 2,807,290,189,239.66/1,919,288.52
  6. Step 6: Final answer
    x = 1,462,672.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.