Home / 1,270,160.41-1,752,822.23-689,383.55

Finding the Fourth Proportional to 1,270,160.41, 1,752,822.23 and 689,383.55

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Solution

The fourth proportional to 1,270,160.41, 1,752,822.23 and 689,383.55 is: 951,349.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,160.41 : 1,752,822.23 = 689,383.55 : x
  2. Step 2: Convert to fraction form
    1,270,160.41/1,752,822.23 = 689,383.55/x
  3. Step 3: Cross multiply
    1,270,160.41x = 1,752,822.23 × 689,383.55
  4. Step 4: Simplify right side
    1,270,160.41x = 1,208,366,817,925.11
  5. Step 5: Solve for x
    x = 1,208,366,817,925.11/1,270,160.41
  6. Step 6: Final answer
    x = 951,349.77

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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.