Home / 1,254,563.20-1,881,844.80-307,921.60

Finding the Fourth Proportional to 1,254,563.20, 1,881,844.80 and 307,921.60

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Solution

The fourth proportional to 1,254,563.20, 1,881,844.80 and 307,921.60 is: 461,882.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,563.20 : 1,881,844.80 = 307,921.60 : x
  2. Step 2: Convert to fraction form
    1,254,563.20/1,881,844.80 = 307,921.60/x
  3. Step 3: Cross multiply
    1,254,563.20x = 1,881,844.80 × 307,921.60
  4. Step 4: Simplify right side
    1,254,563.20x = 579,460,661,767.68
  5. Step 5: Solve for x
    x = 579,460,661,767.68/1,254,563.20
  6. Step 6: Final answer
    x = 461,882.40

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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.