Home / 1,084,412.45-1,495,546.13-813,090.53

Finding the Fourth Proportional to 1,084,412.45, 1,495,546.13 and 813,090.53

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Solution

The fourth proportional to 1,084,412.45, 1,495,546.13 and 813,090.53 is: 1,121,357.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084,412.45 : 1,495,546.13 = 813,090.53 : x
  2. Step 2: Convert to fraction form
    1,084,412.45/1,495,546.13 = 813,090.53/x
  3. Step 3: Cross multiply
    1,084,412.45x = 1,495,546.13 × 813,090.53
  4. Step 4: Simplify right side
    1,084,412.45x = 1,216,014,391,415.70
  5. Step 5: Solve for x
    x = 1,216,014,391,415.70/1,084,412.45
  6. Step 6: Final answer
    x = 1,121,357.83

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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.