Home / 1,395,133.80-2,092,712.10-384,311.52

Finding the Fourth Proportional to 1,395,133.80, 2,092,712.10 and 384,311.52

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Solution

The fourth proportional to 1,395,133.80, 2,092,712.10 and 384,311.52 is: 576,470.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,133.80 : 2,092,712.10 = 384,311.52 : x
  2. Step 2: Convert to fraction form
    1,395,133.80/2,092,712.10 = 384,311.52/x
  3. Step 3: Cross multiply
    1,395,133.80x = 2,092,712.10 × 384,311.52
  4. Step 4: Simplify right side
    1,395,133.80x = 804,253,368,073.39
  5. Step 5: Solve for x
    x = 804,253,368,073.39/1,395,133.80
  6. Step 6: Final answer
    x = 576,470.42

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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.