Home / 1,110,437.20-1,666,044.60-479,803.60

Finding the Fourth Proportional to 1,110,437.20, 1,666,044.60 and 479,803.60

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Solution

The fourth proportional to 1,110,437.20, 1,666,044.60 and 479,803.60 is: 719,873.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,437.20 : 1,666,044.60 = 479,803.60 : x
  2. Step 2: Convert to fraction form
    1,110,437.20/1,666,044.60 = 479,803.60/x
  3. Step 3: Cross multiply
    1,110,437.20x = 1,666,044.60 × 479,803.60
  4. Step 4: Simplify right side
    1,110,437.20x = 799,374,196,840.56
  5. Step 5: Solve for x
    x = 799,374,196,840.56/1,110,437.20
  6. Step 6: Final answer
    x = 719,873.39

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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.