Home / 1,030,255.39-1,421,837.55-571,517.86

Finding the Fourth Proportional to 1,030,255.39, 1,421,837.55 and 571,517.86

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Solution

The fourth proportional to 1,030,255.39, 1,421,837.55 and 571,517.86 is: 788,741.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,255.39 : 1,421,837.55 = 571,517.86 : x
  2. Step 2: Convert to fraction form
    1,030,255.39/1,421,837.55 = 571,517.86/x
  3. Step 3: Cross multiply
    1,030,255.39x = 1,421,837.55 × 571,517.86
  4. Step 4: Simplify right side
    1,030,255.39x = 812,605,553,843.64
  5. Step 5: Solve for x
    x = 812,605,553,843.64/1,030,255.39
  6. Step 6: Final answer
    x = 788,741.86

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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.