Home / 1,108,428.98-1,529,741.66-672,811.97

Finding the Fourth Proportional to 1,108,428.98, 1,529,741.66 and 672,811.97

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Solution

The fourth proportional to 1,108,428.98, 1,529,741.66 and 672,811.97 is: 928,547.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,428.98 : 1,529,741.66 = 672,811.97 : x
  2. Step 2: Convert to fraction form
    1,108,428.98/1,529,741.66 = 672,811.97/x
  3. Step 3: Cross multiply
    1,108,428.98x = 1,529,741.66 × 672,811.97
  4. Step 4: Simplify right side
    1,108,428.98x = 1,029,228,488,842.90
  5. Step 5: Solve for x
    x = 1,029,228,488,842.90/1,108,428.98
  6. Step 6: Final answer
    x = 928,547.08

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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.