Home / 1,008,045.90-1,512,068.87-759,213.90

Finding the Fourth Proportional to 1,008,045.90, 1,512,068.87 and 759,213.90

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Solution

The fourth proportional to 1,008,045.90, 1,512,068.87 and 759,213.90 is: 1,138,820.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,045.90 : 1,512,068.87 = 759,213.90 : x
  2. Step 2: Convert to fraction form
    1,008,045.90/1,512,068.87 = 759,213.90/x
  3. Step 3: Cross multiply
    1,008,045.90x = 1,512,068.87 × 759,213.90
  4. Step 4: Simplify right side
    1,008,045.90x = 1,147,983,700,065.22
  5. Step 5: Solve for x
    x = 1,147,983,700,065.22/1,008,045.90
  6. Step 6: Final answer
    x = 1,138,820.86

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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.