Home / 1,615,239.20-2,422,421.40-477,999.20

Finding the Fourth Proportional to 1,615,239.20, 2,422,421.40 and 477,999.20

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Solution

The fourth proportional to 1,615,239.20, 2,422,421.40 and 477,999.20 is: 716,869.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,239.20 : 2,422,421.40 = 477,999.20 : x
  2. Step 2: Convert to fraction form
    1,615,239.20/2,422,421.40 = 477,999.20/x
  3. Step 3: Cross multiply
    1,615,239.20x = 2,422,421.40 × 477,999.20
  4. Step 4: Simplify right side
    1,615,239.20x = 1,157,915,491,262.88
  5. Step 5: Solve for x
    x = 1,157,915,491,262.88/1,615,239.20
  6. Step 6: Final answer
    x = 716,869.36

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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.