Home / 1,340,984.68-2,012,371.47-488,056.10

Finding the Fourth Proportional to 1,340,984.68, 2,012,371.47 and 488,056.10

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Solution

The fourth proportional to 1,340,984.68, 2,012,371.47 and 488,056.10 is: 732,409.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,984.68 : 2,012,371.47 = 488,056.10 : x
  2. Step 2: Convert to fraction form
    1,340,984.68/2,012,371.47 = 488,056.10/x
  3. Step 3: Cross multiply
    1,340,984.68x = 2,012,371.47 × 488,056.10
  4. Step 4: Simplify right side
    1,340,984.68x = 982,150,175,529.40
  5. Step 5: Solve for x
    x = 982,150,175,529.40/1,340,984.68
  6. Step 6: Final answer
    x = 732,409.69

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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.