Home / 1,030,255.35-1,421,837.50-571,517.82

Finding the Fourth Proportional to 1,030,255.35, 1,421,837.50 and 571,517.82

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Solution

The fourth proportional to 1,030,255.35, 1,421,837.50 and 571,517.82 is: 788,741.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,255.35 : 1,421,837.50 = 571,517.82 : x
  2. Step 2: Convert to fraction form
    1,030,255.35/1,421,837.50 = 571,517.82/x
  3. Step 3: Cross multiply
    1,030,255.35x = 1,421,837.50 × 571,517.82
  4. Step 4: Simplify right side
    1,030,255.35x = 812,605,465,536.66
  5. Step 5: Solve for x
    x = 812,605,465,536.66/1,030,255.35
  6. Step 6: Final answer
    x = 788,741.81

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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.