Home / 1,365,353.76-2,047,850.64-405,788.88

Finding the Fourth Proportional to 1,365,353.76, 2,047,850.64 and 405,788.88

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Solution

The fourth proportional to 1,365,353.76, 2,047,850.64 and 405,788.88 is: 608,629.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,353.76 : 2,047,850.64 = 405,788.88 : x
  2. Step 2: Convert to fraction form
    1,365,353.76/2,047,850.64 = 405,788.88/x
  3. Step 3: Cross multiply
    1,365,353.76x = 2,047,850.64 × 405,788.88
  4. Step 4: Simplify right side
    1,365,353.76x = 830,995,017,612.88
  5. Step 5: Solve for x
    x = 830,995,017,612.88/1,365,353.76
  6. Step 6: Final answer
    x = 608,629.82

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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.