Home / 1,279,281.51-1,765,436.04-706,357.98

Finding the Fourth Proportional to 1,279,281.51, 1,765,436.04 and 706,357.98

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Solution

The fourth proportional to 1,279,281.51, 1,765,436.04 and 706,357.98 is: 974,789.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,281.51 : 1,765,436.04 = 706,357.98 : x
  2. Step 2: Convert to fraction form
    1,279,281.51/1,765,436.04 = 706,357.98/x
  3. Step 3: Cross multiply
    1,279,281.51x = 1,765,436.04 × 706,357.98
  4. Step 4: Simplify right side
    1,279,281.51x = 1,247,029,835,033.60
  5. Step 5: Solve for x
    x = 1,247,029,835,033.60/1,279,281.51
  6. Step 6: Final answer
    x = 974,789.23

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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.