Home / 1,353,253.80-1,867,689.18-780,182.04

Finding the Fourth Proportional to 1,353,253.80, 1,867,689.18 and 780,182.04

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Solution

The fourth proportional to 1,353,253.80, 1,867,689.18 and 780,182.04 is: 1,076,765.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,253.80 : 1,867,689.18 = 780,182.04 : x
  2. Step 2: Convert to fraction form
    1,353,253.80/1,867,689.18 = 780,182.04/x
  3. Step 3: Cross multiply
    1,353,253.80x = 1,867,689.18 × 780,182.04
  4. Step 4: Simplify right side
    1,353,253.80x = 1,457,137,554,538.33
  5. Step 5: Solve for x
    x = 1,457,137,554,538.33/1,353,253.80
  6. Step 6: Final answer
    x = 1,076,765.91

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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.