Home / 1,213,445.80-1,820,168.70-835,532.20

Finding the Fourth Proportional to 1,213,445.80, 1,820,168.70 and 835,532.20

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Solution

The fourth proportional to 1,213,445.80, 1,820,168.70 and 835,532.20 is: 1,253,298.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,445.80 : 1,820,168.70 = 835,532.20 : x
  2. Step 2: Convert to fraction form
    1,213,445.80/1,820,168.70 = 835,532.20/x
  3. Step 3: Cross multiply
    1,213,445.80x = 1,820,168.70 × 835,532.20
  4. Step 4: Simplify right side
    1,213,445.80x = 1,520,809,558,282.14
  5. Step 5: Solve for x
    x = 1,520,809,558,282.14/1,213,445.80
  6. Step 6: Final answer
    x = 1,253,298.30

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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.