Home / 1,324,034.72-1,827,302.40-780,345.60

Finding the Fourth Proportional to 1,324,034.72, 1,827,302.40 and 780,345.60

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Solution

The fourth proportional to 1,324,034.72, 1,827,302.40 and 780,345.60 is: 1,076,956.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,034.72 : 1,827,302.40 = 780,345.60 : x
  2. Step 2: Convert to fraction form
    1,324,034.72/1,827,302.40 = 780,345.60/x
  3. Step 3: Cross multiply
    1,324,034.72x = 1,827,302.40 × 780,345.60
  4. Step 4: Simplify right side
    1,324,034.72x = 1,425,927,387,709.44
  5. Step 5: Solve for x
    x = 1,425,927,387,709.44/1,324,034.72
  6. Step 6: Final answer
    x = 1,076,956.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.