Home / 1,393,765.84-2,090,649.12-396,493.84

Finding the Fourth Proportional to 1,393,765.84, 2,090,649.12 and 396,493.84

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Solution

The fourth proportional to 1,393,765.84, 2,090,649.12 and 396,493.84 is: 594,740.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,765.84 : 2,090,649.12 = 396,493.84 : x
  2. Step 2: Convert to fraction form
    1,393,765.84/2,090,649.12 = 396,493.84/x
  3. Step 3: Cross multiply
    1,393,765.84x = 2,090,649.12 × 396,493.84
  4. Step 4: Simplify right side
    1,393,765.84x = 828,929,497,681.42
  5. Step 5: Solve for x
    x = 828,929,497,681.42/1,393,765.84
  6. Step 6: Final answer
    x = 594,740.86

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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.