Home / 1,112,775.76-1,669,145.28-354,606.76

Finding the Fourth Proportional to 1,112,775.76, 1,669,145.28 and 354,606.76

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Solution

The fourth proportional to 1,112,775.76, 1,669,145.28 and 354,606.76 is: 531,904.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,775.76 : 1,669,145.28 = 354,606.76 : x
  2. Step 2: Convert to fraction form
    1,112,775.76/1,669,145.28 = 354,606.76/x
  3. Step 3: Cross multiply
    1,112,775.76x = 1,669,145.28 × 354,606.76
  4. Step 4: Simplify right side
    1,112,775.76x = 591,890,199,710.09
  5. Step 5: Solve for x
    x = 591,890,199,710.09/1,112,775.76
  6. Step 6: Final answer
    x = 531,904.29

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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.