Home / 1,314,519.40-1,972,556.70-958,637.80

Finding the Fourth Proportional to 1,314,519.40, 1,972,556.70 and 958,637.80

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Solution

The fourth proportional to 1,314,519.40, 1,972,556.70 and 958,637.80 is: 1,438,523.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,519.40 : 1,972,556.70 = 958,637.80 : x
  2. Step 2: Convert to fraction form
    1,314,519.40/1,972,556.70 = 958,637.80/x
  3. Step 3: Cross multiply
    1,314,519.40x = 1,972,556.70 × 958,637.80
  4. Step 4: Simplify right side
    1,314,519.40x = 1,890,967,415,263.26
  5. Step 5: Solve for x
    x = 1,890,967,415,263.26/1,314,519.40
  6. Step 6: Final answer
    x = 1,438,523.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.