Home / 1,110,666.51-1,666,062.07-311,885.76

Finding the Fourth Proportional to 1,110,666.51, 1,666,062.07 and 311,885.76

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Solution

The fourth proportional to 1,110,666.51, 1,666,062.07 and 311,885.76 is: 467,846.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,666.51 : 1,666,062.07 = 311,885.76 : x
  2. Step 2: Convert to fraction form
    1,110,666.51/1,666,062.07 = 311,885.76/x
  3. Step 3: Cross multiply
    1,110,666.51x = 1,666,062.07 × 311,885.76
  4. Step 4: Simplify right side
    1,110,666.51x = 519,621,040,377.14
  5. Step 5: Solve for x
    x = 519,621,040,377.14/1,110,666.51
  6. Step 6: Final answer
    x = 467,846.14

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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.