Home / 1,008,045.65-1,512,068.48-759,213.65

Finding the Fourth Proportional to 1,008,045.65, 1,512,068.48 and 759,213.65

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Solution

The fourth proportional to 1,008,045.65, 1,512,068.48 and 759,213.65 is: 1,138,820.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,045.65 : 1,512,068.48 = 759,213.65 : x
  2. Step 2: Convert to fraction form
    1,008,045.65/1,512,068.48 = 759,213.65/x
  3. Step 3: Cross multiply
    1,008,045.65x = 1,512,068.48 × 759,213.65
  4. Step 4: Simplify right side
    1,008,045.65x = 1,147,983,025,954.68
  5. Step 5: Solve for x
    x = 1,147,983,025,954.68/1,008,045.65
  6. Step 6: Final answer
    x = 1,138,820.48

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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.