Home / 1,152,382.64-1,728,573.96-310,934.39

Finding the Fourth Proportional to 1,152,382.64, 1,728,573.96 and 310,934.39

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Solution

The fourth proportional to 1,152,382.64, 1,728,573.96 and 310,934.39 is: 466,401.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,382.64 : 1,728,573.96 = 310,934.39 : x
  2. Step 2: Convert to fraction form
    1,152,382.64/1,728,573.96 = 310,934.39/x
  3. Step 3: Cross multiply
    1,152,382.64x = 1,728,573.96 × 310,934.39
  4. Step 4: Simplify right side
    1,152,382.64x = 537,473,081,179.62
  5. Step 5: Solve for x
    x = 537,473,081,179.62/1,152,382.64
  6. Step 6: Final answer
    x = 466,401.58

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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.