Home / 1,378,416.28-2,067,625.14-525,289

Finding the Fourth Proportional to 1,378,416.28, 2,067,625.14 and 525,289

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Solution

The fourth proportional to 1,378,416.28, 2,067,625.14 and 525,289 is: 787,933.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,416.28 : 2,067,625.14 = 525,289 : x
  2. Step 2: Convert to fraction form
    1,378,416.28/2,067,625.14 = 525,289/x
  3. Step 3: Cross multiply
    1,378,416.28x = 2,067,625.14 × 525,289
  4. Step 4: Simplify right side
    1,378,416.28x = 1,086,100,742,165.46
  5. Step 5: Solve for x
    x = 1,086,100,742,165.46/1,378,416.28
  6. Step 6: Final answer
    x = 787,933.77

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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.