Home / 1,230,355.20-1,844,220.60-471,903.60

Finding the Fourth Proportional to 1,230,355.20, 1,844,220.60 and 471,903.60

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Solution

The fourth proportional to 1,230,355.20, 1,844,220.60 and 471,903.60 is: 707,352.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,355.20 : 1,844,220.60 = 471,903.60 : x
  2. Step 2: Convert to fraction form
    1,230,355.20/1,844,220.60 = 471,903.60/x
  3. Step 3: Cross multiply
    1,230,355.20x = 1,844,220.60 × 471,903.60
  4. Step 4: Simplify right side
    1,230,355.20x = 870,294,340,334.16
  5. Step 5: Solve for x
    x = 870,294,340,334.16/1,230,355.20
  6. Step 6: Final answer
    x = 707,352.10

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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.