Home / 1,396,309.86-2,094,423.06-385,493.52

Finding the Fourth Proportional to 1,396,309.86, 2,094,423.06 and 385,493.52

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Solution

The fourth proportional to 1,396,309.86, 2,094,423.06 and 385,493.52 is: 578,228.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,309.86 : 2,094,423.06 = 385,493.52 : x
  2. Step 2: Convert to fraction form
    1,396,309.86/2,094,423.06 = 385,493.52/x
  3. Step 3: Cross multiply
    1,396,309.86x = 2,094,423.06 × 385,493.52
  4. Step 4: Simplify right side
    1,396,309.86x = 807,386,517,768.57
  5. Step 5: Solve for x
    x = 807,386,517,768.57/1,396,309.86
  6. Step 6: Final answer
    x = 578,228.76

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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.