Home / 1,346,628.80-2,021,044.80-1,336,131.20

Finding the Fourth Proportional to 1,346,628.80, 2,021,044.80 and 1,336,131.20

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Solution

The fourth proportional to 1,346,628.80, 2,021,044.80 and 1,336,131.20 is: 2,005,289.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,628.80 : 2,021,044.80 = 1,336,131.20 : x
  2. Step 2: Convert to fraction form
    1,346,628.80/2,021,044.80 = 1,336,131.20/x
  3. Step 3: Cross multiply
    1,346,628.80x = 2,021,044.80 × 1,336,131.20
  4. Step 4: Simplify right side
    1,346,628.80x = 2,700,381,013,877.76
  5. Step 5: Solve for x
    x = 2,700,381,013,877.76/1,346,628.80
  6. Step 6: Final answer
    x = 2,005,289.81

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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.