Home / 1,676,138-2,313,026.08-912,175.20

Finding the Fourth Proportional to 1,676,138, 2,313,026.08 and 912,175.20

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Solution

The fourth proportional to 1,676,138, 2,313,026.08 and 912,175.20 is: 1,258,777.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,138 : 2,313,026.08 = 912,175.20 : x
  2. Step 2: Convert to fraction form
    1,676,138/2,313,026.08 = 912,175.20/x
  3. Step 3: Cross multiply
    1,676,138x = 2,313,026.08 × 912,175.20
  4. Step 4: Simplify right side
    1,676,138x = 2,109,885,027,129.22
  5. Step 5: Solve for x
    x = 2,109,885,027,129.22/1,676,138
  6. Step 6: Final answer
    x = 1,258,777.63

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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.