Home / 1,179,439.81-1,769,161.53-358,785.70

Finding the Fourth Proportional to 1,179,439.81, 1,769,161.53 and 358,785.70

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Solution

The fourth proportional to 1,179,439.81, 1,769,161.53 and 358,785.70 is: 538,179.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,439.81 : 1,769,161.53 = 358,785.70 : x
  2. Step 2: Convert to fraction form
    1,179,439.81/1,769,161.53 = 358,785.70/x
  3. Step 3: Cross multiply
    1,179,439.81x = 1,769,161.53 × 358,785.70
  4. Step 4: Simplify right side
    1,179,439.81x = 634,749,857,954.12
  5. Step 5: Solve for x
    x = 634,749,857,954.12/1,179,439.81
  6. Step 6: Final answer
    x = 538,179.10

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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.