Home / 1,260,627.54-1,739,663.90-687,667.71

Finding the Fourth Proportional to 1,260,627.54, 1,739,663.90 and 687,667.71

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Solution

The fourth proportional to 1,260,627.54, 1,739,663.90 and 687,667.71 is: 948,980.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,627.54 : 1,739,663.90 = 687,667.71 : x
  2. Step 2: Convert to fraction form
    1,260,627.54/1,739,663.90 = 687,667.71/x
  3. Step 3: Cross multiply
    1,260,627.54x = 1,739,663.90 × 687,667.71
  4. Step 4: Simplify right side
    1,260,627.54x = 1,196,310,695,946.82
  5. Step 5: Solve for x
    x = 1,196,310,695,946.82/1,260,627.54
  6. Step 6: Final answer
    x = 948,980.29

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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.