Home / 1,078,765.23-1,489,255.73-788,050.35

Finding the Fourth Proportional to 1,078,765.23, 1,489,255.73 and 788,050.35

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Solution

The fourth proportional to 1,078,765.23, 1,489,255.73 and 788,050.35 is: 1,087,918.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,765.23 : 1,489,255.73 = 788,050.35 : x
  2. Step 2: Convert to fraction form
    1,078,765.23/1,489,255.73 = 788,050.35/x
  3. Step 3: Cross multiply
    1,078,765.23x = 1,489,255.73 × 788,050.35
  4. Step 4: Simplify right side
    1,078,765.23x = 1,173,608,495,325.75
  5. Step 5: Solve for x
    x = 1,173,608,495,325.75/1,078,765.23
  6. Step 6: Final answer
    x = 1,087,918.36

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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.