Home / 1,396,158.81-2,093,038.77-485,222.92

Finding the Fourth Proportional to 1,396,158.81, 2,093,038.77 and 485,222.92

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Solution

The fourth proportional to 1,396,158.81, 2,093,038.77 and 485,222.92 is: 727,417.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,158.81 : 2,093,038.77 = 485,222.92 : x
  2. Step 2: Convert to fraction form
    1,396,158.81/2,093,038.77 = 485,222.92/x
  3. Step 3: Cross multiply
    1,396,158.81x = 2,093,038.77 × 485,222.92
  4. Step 4: Simplify right side
    1,396,158.81x = 1,015,590,386,268.91
  5. Step 5: Solve for x
    x = 1,015,590,386,268.91/1,396,158.81
  6. Step 6: Final answer
    x = 727,417.53

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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.