Home / 1,331,999.04-1,838,164.64-728,386.24

Finding the Fourth Proportional to 1,331,999.04, 1,838,164.64 and 728,386.24

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Solution

The fourth proportional to 1,331,999.04, 1,838,164.64 and 728,386.24 is: 1,005,176.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,999.04 : 1,838,164.64 = 728,386.24 : x
  2. Step 2: Convert to fraction form
    1,331,999.04/1,838,164.64 = 728,386.24/x
  3. Step 3: Cross multiply
    1,331,999.04x = 1,838,164.64 × 728,386.24
  4. Step 4: Simplify right side
    1,331,999.04x = 1,338,893,830,630.55
  5. Step 5: Solve for x
    x = 1,338,893,830,630.55/1,331,999.04
  6. Step 6: Final answer
    x = 1,005,176.27

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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.