Home / 1,416,044.65-1,954,135.77-771,462.85

Finding the Fourth Proportional to 1,416,044.65, 1,954,135.77 and 771,462.85

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Solution

The fourth proportional to 1,416,044.65, 1,954,135.77 and 771,462.85 is: 1,064,615.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,044.65 : 1,954,135.77 = 771,462.85 : x
  2. Step 2: Convert to fraction form
    1,416,044.65/1,954,135.77 = 771,462.85/x
  3. Step 3: Cross multiply
    1,416,044.65x = 1,954,135.77 × 771,462.85
  4. Step 4: Simplify right side
    1,416,044.65x = 1,507,543,150,411.14
  5. Step 5: Solve for x
    x = 1,507,543,150,411.14/1,416,044.65
  6. Step 6: Final answer
    x = 1,064,615.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.