Home / 1,324,148.38-1,827,176.34-780,248.77

Finding the Fourth Proportional to 1,324,148.38, 1,827,176.34 and 780,248.77

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Solution

The fourth proportional to 1,324,148.38, 1,827,176.34 and 780,248.77 is: 1,076,655.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,148.38 : 1,827,176.34 = 780,248.77 : x
  2. Step 2: Convert to fraction form
    1,324,148.38/1,827,176.34 = 780,248.77/x
  3. Step 3: Cross multiply
    1,324,148.38x = 1,827,176.34 × 780,248.77
  4. Step 4: Simplify right side
    1,324,148.38x = 1,425,652,091,858.10
  5. Step 5: Solve for x
    x = 1,425,652,091,858.10/1,324,148.38
  6. Step 6: Final answer
    x = 1,076,655.84

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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.