Home / 1,213,818.40-1,820,727.60-835,904.80

Finding the Fourth Proportional to 1,213,818.40, 1,820,727.60 and 835,904.80

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Solution

The fourth proportional to 1,213,818.40, 1,820,727.60 and 835,904.80 is: 1,253,857.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,818.40 : 1,820,727.60 = 835,904.80 : x
  2. Step 2: Convert to fraction form
    1,213,818.40/1,820,727.60 = 835,904.80/x
  3. Step 3: Cross multiply
    1,213,818.40x = 1,820,727.60 × 835,904.80
  4. Step 4: Simplify right side
    1,213,818.40x = 1,521,954,940,332.48
  5. Step 5: Solve for x
    x = 1,521,954,940,332.48/1,213,818.40
  6. Step 6: Final answer
    x = 1,253,857.20

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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.