Home / 1,305,971.41-1,802,354.76-725,308.07

Finding the Fourth Proportional to 1,305,971.41, 1,802,354.76 and 725,308.07

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Solution

The fourth proportional to 1,305,971.41, 1,802,354.76 and 725,308.07 is: 1,000,988.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,971.41 : 1,802,354.76 = 725,308.07 : x
  2. Step 2: Convert to fraction form
    1,305,971.41/1,802,354.76 = 725,308.07/x
  3. Step 3: Cross multiply
    1,305,971.41x = 1,802,354.76 × 725,308.07
  4. Step 4: Simplify right side
    1,305,971.41x = 1,307,262,452,430.91
  5. Step 5: Solve for x
    x = 1,307,262,452,430.91/1,305,971.41
  6. Step 6: Final answer
    x = 1,000,988.57

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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.