Home / 1,378,179.04-2,067,580.56-479,663.20

Finding the Fourth Proportional to 1,378,179.04, 2,067,580.56 and 479,663.20

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Solution

The fourth proportional to 1,378,179.04, 2,067,580.56 and 479,663.20 is: 719,603.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,179.04 : 2,067,580.56 = 479,663.20 : x
  2. Step 2: Convert to fraction form
    1,378,179.04/2,067,580.56 = 479,663.20/x
  3. Step 3: Cross multiply
    1,378,179.04x = 2,067,580.56 × 479,663.20
  4. Step 4: Simplify right side
    1,378,179.04x = 991,742,307,667.39
  5. Step 5: Solve for x
    x = 991,742,307,667.39/1,378,179.04
  6. Step 6: Final answer
    x = 719,603.39

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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.