Home / 1,395,326.55-2,092,615.12-384,207.76

Finding the Fourth Proportional to 1,395,326.55, 2,092,615.12 and 384,207.76

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Solution

The fourth proportional to 1,395,326.55, 2,092,615.12 and 384,207.76 is: 576,208.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,326.55 : 2,092,615.12 = 384,207.76 : x
  2. Step 2: Convert to fraction form
    1,395,326.55/2,092,615.12 = 384,207.76/x
  3. Step 3: Cross multiply
    1,395,326.55x = 2,092,615.12 × 384,207.76
  4. Step 4: Simplify right side
    1,395,326.55x = 803,998,967,797.33
  5. Step 5: Solve for x
    x = 803,998,967,797.33/1,395,326.55
  6. Step 6: Final answer
    x = 576,208.46

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1.5x scale

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.