Home / 1,449,070.20-2,173,605.30-438,348.15

Finding the Fourth Proportional to 1,449,070.20, 2,173,605.30 and 438,348.15

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Solution

The fourth proportional to 1,449,070.20, 2,173,605.30 and 438,348.15 is: 657,522.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,070.20 : 2,173,605.30 = 438,348.15 : x
  2. Step 2: Convert to fraction form
    1,449,070.20/2,173,605.30 = 438,348.15/x
  3. Step 3: Cross multiply
    1,449,070.20x = 2,173,605.30 × 438,348.15
  4. Step 4: Simplify right side
    1,449,070.20x = 952,795,862,085.20
  5. Step 5: Solve for x
    x = 952,795,862,085.20/1,449,070.20
  6. Step 6: Final answer
    x = 657,522.23

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Double scale
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Similar ratio
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1.5x scale

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.