Home / 1,615,280.40-2,422,920.60-493,203.60

Finding the Fourth Proportional to 1,615,280.40, 2,422,920.60 and 493,203.60

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Solution

The fourth proportional to 1,615,280.40, 2,422,920.60 and 493,203.60 is: 739,805.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,280.40 : 2,422,920.60 = 493,203.60 : x
  2. Step 2: Convert to fraction form
    1,615,280.40/2,422,920.60 = 493,203.60/x
  3. Step 3: Cross multiply
    1,615,280.40x = 2,422,920.60 × 493,203.60
  4. Step 4: Simplify right side
    1,615,280.40x = 1,194,993,162,434.16
  5. Step 5: Solve for x
    x = 1,194,993,162,434.16/1,615,280.40
  6. Step 6: Final answer
    x = 739,805.40

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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.