Home / 1,110,716.47-1,666,139.33-312,060.30

Finding the Fourth Proportional to 1,110,716.47, 1,666,139.33 and 312,060.30

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Solution

The fourth proportional to 1,110,716.47, 1,666,139.33 and 312,060.30 is: 468,108.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,716.47 : 1,666,139.33 = 312,060.30 : x
  2. Step 2: Convert to fraction form
    1,110,716.47/1,666,139.33 = 312,060.30/x
  3. Step 3: Cross multiply
    1,110,716.47x = 1,666,139.33 × 312,060.30
  4. Step 4: Simplify right side
    1,110,716.47x = 519,935,939,161.60
  5. Step 5: Solve for x
    x = 519,935,939,161.60/1,110,716.47
  6. Step 6: Final answer
    x = 468,108.61

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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.