Home / 1,110,309.93-1,665,330.26-311,655.69

Finding the Fourth Proportional to 1,110,309.93, 1,665,330.26 and 311,655.69

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Solution

The fourth proportional to 1,110,309.93, 1,665,330.26 and 311,655.69 is: 467,445.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,309.93 : 1,665,330.26 = 311,655.69 : x
  2. Step 2: Convert to fraction form
    1,110,309.93/1,665,330.26 = 311,655.69/x
  3. Step 3: Cross multiply
    1,110,309.93x = 1,665,330.26 × 311,655.69
  4. Step 4: Simplify right side
    1,110,309.93x = 519,009,649,699.90
  5. Step 5: Solve for x
    x = 519,009,649,699.90/1,110,309.93
  6. Step 6: Final answer
    x = 467,445.74

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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.