Home / 1,153,137.20-1,728,205.28-469,226.87

Finding the Fourth Proportional to 1,153,137.20, 1,728,205.28 and 469,226.87

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Solution

The fourth proportional to 1,153,137.20, 1,728,205.28 and 469,226.87 is: 703,229.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,137.20 : 1,728,205.28 = 469,226.87 : x
  2. Step 2: Convert to fraction form
    1,153,137.20/1,728,205.28 = 469,226.87/x
  3. Step 3: Cross multiply
    1,153,137.20x = 1,728,205.28 × 469,226.87
  4. Step 4: Simplify right side
    1,153,137.20x = 810,920,343,264.71
  5. Step 5: Solve for x
    x = 810,920,343,264.71/1,153,137.20
  6. Step 6: Final answer
    x = 703,229.71

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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.