Home / 1,387,951.60-2,081,927.40-337,327.60

Finding the Fourth Proportional to 1,387,951.60, 2,081,927.40 and 337,327.60

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Solution

The fourth proportional to 1,387,951.60, 2,081,927.40 and 337,327.60 is: 505,991.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,951.60 : 2,081,927.40 = 337,327.60 : x
  2. Step 2: Convert to fraction form
    1,387,951.60/2,081,927.40 = 337,327.60/x
  3. Step 3: Cross multiply
    1,387,951.60x = 2,081,927.40 × 337,327.60
  4. Step 4: Simplify right side
    1,387,951.60x = 702,291,573,216.24
  5. Step 5: Solve for x
    x = 702,291,573,216.24/1,387,951.60
  6. Step 6: Final answer
    x = 505,991.40

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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.