Home / 1,515,003.60-2,272,505.40-717,842.10

Finding the Fourth Proportional to 1,515,003.60, 2,272,505.40 and 717,842.10

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Solution

The fourth proportional to 1,515,003.60, 2,272,505.40 and 717,842.10 is: 1,076,763.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,003.60 : 2,272,505.40 = 717,842.10 : x
  2. Step 2: Convert to fraction form
    1,515,003.60/2,272,505.40 = 717,842.10/x
  3. Step 3: Cross multiply
    1,515,003.60x = 2,272,505.40 × 717,842.10
  4. Step 4: Simplify right side
    1,515,003.60x = 1,631,300,048,597.34
  5. Step 5: Solve for x
    x = 1,631,300,048,597.34/1,515,003.60
  6. Step 6: Final answer
    x = 1,076,763.15

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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.