Home / 1,295,466.12-1,940,596.74-645,082.90

Finding the Fourth Proportional to 1,295,466.12, 1,940,596.74 and 645,082.90

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Solution

The fourth proportional to 1,295,466.12, 1,940,596.74 and 645,082.90 is: 966,328.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,466.12 : 1,940,596.74 = 645,082.90 : x
  2. Step 2: Convert to fraction form
    1,295,466.12/1,940,596.74 = 645,082.90/x
  3. Step 3: Cross multiply
    1,295,466.12x = 1,940,596.74 × 645,082.90
  4. Step 4: Simplify right side
    1,295,466.12x = 1,251,845,772,769.75
  5. Step 5: Solve for x
    x = 1,251,845,772,769.75/1,295,466.12
  6. Step 6: Final answer
    x = 966,328.45

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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.