Home / 1,097,092.48-1,513,999.20-644,391.04

Finding the Fourth Proportional to 1,097,092.48, 1,513,999.20 and 644,391.04

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Solution

The fourth proportional to 1,097,092.48, 1,513,999.20 and 644,391.04 is: 889,266.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,092.48 : 1,513,999.20 = 644,391.04 : x
  2. Step 2: Convert to fraction form
    1,097,092.48/1,513,999.20 = 644,391.04/x
  3. Step 3: Cross multiply
    1,097,092.48x = 1,513,999.20 × 644,391.04
  4. Step 4: Simplify right side
    1,097,092.48x = 975,607,519,047.17
  5. Step 5: Solve for x
    x = 975,607,519,047.17/1,097,092.48
  6. Step 6: Final answer
    x = 889,266.44

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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.