Home / 1,512,005.60-2,265,675.60-1,311,384.80

Finding the Fourth Proportional to 1,512,005.60, 2,265,675.60 and 1,311,384.80

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Solution

The fourth proportional to 1,512,005.60, 2,265,675.60 and 1,311,384.80 is: 1,965,053.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,005.60 : 2,265,675.60 = 1,311,384.80 : x
  2. Step 2: Convert to fraction form
    1,512,005.60/2,265,675.60 = 1,311,384.80/x
  3. Step 3: Cross multiply
    1,512,005.60x = 2,265,675.60 × 1,311,384.80
  4. Step 4: Simplify right side
    1,512,005.60x = 2,971,172,543,570.88
  5. Step 5: Solve for x
    x = 2,971,172,543,570.88/1,512,005.60
  6. Step 6: Final answer
    x = 1,965,053.93

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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.