Home / 1,512,053.40-2,265,455.70-979,300.20

Finding the Fourth Proportional to 1,512,053.40, 2,265,455.70 and 979,300.20

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Solution

The fourth proportional to 1,512,053.40, 2,265,455.70 and 979,300.20 is: 1,467,250.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,053.40 : 2,265,455.70 = 979,300.20 : x
  2. Step 2: Convert to fraction form
    1,512,053.40/2,265,455.70 = 979,300.20/x
  3. Step 3: Cross multiply
    1,512,053.40x = 2,265,455.70 × 979,300.20
  4. Step 4: Simplify right side
    1,512,053.40x = 2,218,561,220,101.14
  5. Step 5: Solve for x
    x = 2,218,561,220,101.14/1,512,053.40
  6. Step 6: Final answer
    x = 1,467,250.57

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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.