Home / 1,108,570.37-1,529,712.65-818,336.22

Finding the Fourth Proportional to 1,108,570.37, 1,529,712.65 and 818,336.22

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Solution

The fourth proportional to 1,108,570.37, 1,529,712.65 and 818,336.22 is: 1,129,219.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,570.37 : 1,529,712.65 = 818,336.22 : x
  2. Step 2: Convert to fraction form
    1,108,570.37/1,529,712.65 = 818,336.22/x
  3. Step 3: Cross multiply
    1,108,570.37x = 1,529,712.65 × 818,336.22
  4. Step 4: Simplify right side
    1,108,570.37x = 1,251,819,263,595.50
  5. Step 5: Solve for x
    x = 1,251,819,263,595.50/1,108,570.37
  6. Step 6: Final answer
    x = 1,129,219.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.