Home / 1,384,434.15-1,910,515.44-772,580.26

Finding the Fourth Proportional to 1,384,434.15, 1,910,515.44 and 772,580.26

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Solution

The fourth proportional to 1,384,434.15, 1,910,515.44 and 772,580.26 is: 1,066,158.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,434.15 : 1,910,515.44 = 772,580.26 : x
  2. Step 2: Convert to fraction form
    1,384,434.15/1,910,515.44 = 772,580.26/x
  3. Step 3: Cross multiply
    1,384,434.15x = 1,910,515.44 × 772,580.26
  4. Step 4: Simplify right side
    1,384,434.15x = 1,476,026,515,369.21
  5. Step 5: Solve for x
    x = 1,476,026,515,369.21/1,384,434.15
  6. Step 6: Final answer
    x = 1,066,158.70

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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.