Home / 1,389,236.46-1,917,444.06-904,937.46

Finding the Fourth Proportional to 1,389,236.46, 1,917,444.06 and 904,937.46

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Solution

The fourth proportional to 1,389,236.46, 1,917,444.06 and 904,937.46 is: 1,249,007.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,236.46 : 1,917,444.06 = 904,937.46 : x
  2. Step 2: Convert to fraction form
    1,389,236.46/1,917,444.06 = 904,937.46/x
  3. Step 3: Cross multiply
    1,389,236.46x = 1,917,444.06 × 904,937.46
  4. Step 4: Simplify right side
    1,389,236.46x = 1,735,166,957,348.49
  5. Step 5: Solve for x
    x = 1,735,166,957,348.49/1,389,236.46
  6. Step 6: Final answer
    x = 1,249,007.64

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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.