Home / 1,035,575.34-1,428,357.80-691,237.64

Finding the Fourth Proportional to 1,035,575.34, 1,428,357.80 and 691,237.64

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Solution

The fourth proportional to 1,035,575.34, 1,428,357.80 and 691,237.64 is: 953,416.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,575.34 : 1,428,357.80 = 691,237.64 : x
  2. Step 2: Convert to fraction form
    1,035,575.34/1,428,357.80 = 691,237.64/x
  3. Step 3: Cross multiply
    1,035,575.34x = 1,428,357.80 × 691,237.64
  4. Step 4: Simplify right side
    1,035,575.34x = 987,334,674,747.59
  5. Step 5: Solve for x
    x = 987,334,674,747.59/1,035,575.34
  6. Step 6: Final answer
    x = 953,416.56

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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.