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Finding the Fourth Proportional to 1,337,802.82, 1,845,395.80 and 853,822.45

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Solution

The fourth proportional to 1,337,802.82, 1,845,395.80 and 853,822.45 is: 1,177,782.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,802.82 : 1,845,395.80 = 853,822.45 : x
  2. Step 2: Convert to fraction form
    1,337,802.82/1,845,395.80 = 853,822.45/x
  3. Step 3: Cross multiply
    1,337,802.82x = 1,845,395.80 × 853,822.45
  4. Step 4: Simplify right side
    1,337,802.82x = 1,575,640,363,347.90
  5. Step 5: Solve for x
    x = 1,575,640,363,347.90/1,337,802.82
  6. Step 6: Final answer
    x = 1,177,782.21

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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.