Home / 1,245,009.60-1,718,090.64-701,143.20

Finding the Fourth Proportional to 1,245,009.60, 1,718,090.64 and 701,143.20

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Solution

The fourth proportional to 1,245,009.60, 1,718,090.64 and 701,143.20 is: 967,564.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,009.60 : 1,718,090.64 = 701,143.20 : x
  2. Step 2: Convert to fraction form
    1,245,009.60/1,718,090.64 = 701,143.20/x
  3. Step 3: Cross multiply
    1,245,009.60x = 1,718,090.64 × 701,143.20
  4. Step 4: Simplify right side
    1,245,009.60x = 1,204,627,569,219.65
  5. Step 5: Solve for x
    x = 1,204,627,569,219.65/1,245,009.60
  6. Step 6: Final answer
    x = 967,564.88

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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.