Home / 1,048,830.20-1,573,634.10-418,196.60

Finding the Fourth Proportional to 1,048,830.20, 1,573,634.10 and 418,196.60

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Solution

The fourth proportional to 1,048,830.20, 1,573,634.10 and 418,196.60 is: 627,449.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,830.20 : 1,573,634.10 = 418,196.60 : x
  2. Step 2: Convert to fraction form
    1,048,830.20/1,573,634.10 = 418,196.60/x
  3. Step 3: Cross multiply
    1,048,830.20x = 1,573,634.10 × 418,196.60
  4. Step 4: Simplify right side
    1,048,830.20x = 658,088,430,264.06
  5. Step 5: Solve for x
    x = 658,088,430,264.06/1,048,830.20
  6. Step 6: Final answer
    x = 627,449.92

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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.