Home / 1,279,090.40-1,765,098.48-706,118.28

Finding the Fourth Proportional to 1,279,090.40, 1,765,098.48 and 706,118.28

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Solution

The fourth proportional to 1,279,090.40, 1,765,098.48 and 706,118.28 is: 974,417.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,090.40 : 1,765,098.48 = 706,118.28 : x
  2. Step 2: Convert to fraction form
    1,279,090.40/1,765,098.48 = 706,118.28/x
  3. Step 3: Cross multiply
    1,279,090.40x = 1,765,098.48 × 706,118.28
  4. Step 4: Simplify right side
    1,279,090.40x = 1,246,368,302,728.21
  5. Step 5: Solve for x
    x = 1,246,368,302,728.21/1,279,090.40
  6. Step 6: Final answer
    x = 974,417.68

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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.