Home / 1,538,974-2,308,709.04-474,015.52

Finding the Fourth Proportional to 1,538,974, 2,308,709.04 and 474,015.52

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Solution

The fourth proportional to 1,538,974, 2,308,709.04 and 474,015.52 is: 711,099.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,974 : 2,308,709.04 = 474,015.52 : x
  2. Step 2: Convert to fraction form
    1,538,974/2,308,709.04 = 474,015.52/x
  3. Step 3: Cross multiply
    1,538,974x = 2,308,709.04 × 474,015.52
  4. Step 4: Simplify right side
    1,538,974x = 1,094,363,916,124.30
  5. Step 5: Solve for x
    x = 1,094,363,916,124.30/1,538,974
  6. Step 6: Final answer
    x = 711,099.68

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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.