Home / 1,008,021.40-1,512,377.70-447,458.20

Finding the Fourth Proportional to 1,008,021.40, 1,512,377.70 and 447,458.20

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Solution

The fourth proportional to 1,008,021.40, 1,512,377.70 and 447,458.20 is: 671,340.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,021.40 : 1,512,377.70 = 447,458.20 : x
  2. Step 2: Convert to fraction form
    1,008,021.40/1,512,377.70 = 447,458.20/x
  3. Step 3: Cross multiply
    1,008,021.40x = 1,512,377.70 × 447,458.20
  4. Step 4: Simplify right side
    1,008,021.40x = 676,725,803,362.14
  5. Step 5: Solve for x
    x = 676,725,803,362.14/1,008,021.40
  6. Step 6: Final answer
    x = 671,340.71

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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.