Home / 1,161,919.36-1,742,671.68-308,995.84

Finding the Fourth Proportional to 1,161,919.36, 1,742,671.68 and 308,995.84

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Solution

The fourth proportional to 1,161,919.36, 1,742,671.68 and 308,995.84 is: 463,438.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,919.36 : 1,742,671.68 = 308,995.84 : x
  2. Step 2: Convert to fraction form
    1,161,919.36/1,742,671.68 = 308,995.84/x
  3. Step 3: Cross multiply
    1,161,919.36x = 1,742,671.68 × 308,995.84
  4. Step 4: Simplify right side
    1,161,919.36x = 538,478,299,605.81
  5. Step 5: Solve for x
    x = 538,478,299,605.81/1,161,919.36
  6. Step 6: Final answer
    x = 463,438.62

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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.