Home / 1,748,374.40-2,621,121.60-788,892.80

Finding the Fourth Proportional to 1,748,374.40, 2,621,121.60 and 788,892.80

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Solution

The fourth proportional to 1,748,374.40, 2,621,121.60 and 788,892.80 is: 1,182,689.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,748,374.40 : 2,621,121.60 = 788,892.80 : x
  2. Step 2: Convert to fraction form
    1,748,374.40/2,621,121.60 = 788,892.80/x
  3. Step 3: Cross multiply
    1,748,374.40x = 2,621,121.60 × 788,892.80
  4. Step 4: Simplify right side
    1,748,374.40x = 2,067,783,958,164.48
  5. Step 5: Solve for x
    x = 2,067,783,958,164.48/1,748,374.40
  6. Step 6: Final answer
    x = 1,182,689.45

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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.