Home / 990,419.40-1,485,629.10-591,510.60

Finding the Fourth Proportional to 990,419.40, 1,485,629.10 and 591,510.60

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Solution

The fourth proportional to 990,419.40, 1,485,629.10 and 591,510.60 is: 887,265.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,419.40 : 1,485,629.10 = 591,510.60 : x
  2. Step 2: Convert to fraction form
    990,419.40/1,485,629.10 = 591,510.60/x
  3. Step 3: Cross multiply
    990,419.40x = 1,485,629.10 × 591,510.60
  4. Step 4: Simplify right side
    990,419.40x = 878,765,360,318.46
  5. Step 5: Solve for x
    x = 878,765,360,318.46/990,419.40
  6. Step 6: Final answer
    x = 887,265.90

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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.