Home / 1,116,944.64-1,674,250.56-485,688.96

Finding the Fourth Proportional to 1,116,944.64, 1,674,250.56 and 485,688.96

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Solution

The fourth proportional to 1,116,944.64, 1,674,250.56 and 485,688.96 is: 728,026.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,944.64 : 1,674,250.56 = 485,688.96 : x
  2. Step 2: Convert to fraction form
    1,116,944.64/1,674,250.56 = 485,688.96/x
  3. Step 3: Cross multiply
    1,116,944.64x = 1,674,250.56 × 485,688.96
  4. Step 4: Simplify right side
    1,116,944.64x = 813,165,013,265.82
  5. Step 5: Solve for x
    x = 813,165,013,265.82/1,116,944.64
  6. Step 6: Final answer
    x = 728,026.25

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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.