Home / 1,301,798.49-1,944,781.28-842,649.39

Finding the Fourth Proportional to 1,301,798.49, 1,944,781.28 and 842,649.39

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Solution

The fourth proportional to 1,301,798.49, 1,944,781.28 and 842,649.39 is: 1,258,849.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,798.49 : 1,944,781.28 = 842,649.39 : x
  2. Step 2: Convert to fraction form
    1,301,798.49/1,944,781.28 = 842,649.39/x
  3. Step 3: Cross multiply
    1,301,798.49x = 1,944,781.28 × 842,649.39
  4. Step 4: Simplify right side
    1,301,798.49x = 1,638,768,755,062.17
  5. Step 5: Solve for x
    x = 1,638,768,755,062.17/1,301,798.49
  6. Step 6: Final answer
    x = 1,258,849.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.