Home / 1,144,108.56-1,578,869.76-634,814.64

Finding the Fourth Proportional to 1,144,108.56, 1,578,869.76 and 634,814.64

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Solution

The fourth proportional to 1,144,108.56, 1,578,869.76 and 634,814.64 is: 876,044.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,108.56 : 1,578,869.76 = 634,814.64 : x
  2. Step 2: Convert to fraction form
    1,144,108.56/1,578,869.76 = 634,814.64/x
  3. Step 3: Cross multiply
    1,144,108.56x = 1,578,869.76 × 634,814.64
  4. Step 4: Simplify right side
    1,144,108.56x = 1,002,289,638,301.29
  5. Step 5: Solve for x
    x = 1,002,289,638,301.29/1,144,108.56
  6. Step 6: Final answer
    x = 876,044.17

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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.