Home / 1,009,899.12-1,393,729.08-580,350.48

Finding the Fourth Proportional to 1,009,899.12, 1,393,729.08 and 580,350.48

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Solution

The fourth proportional to 1,009,899.12, 1,393,729.08 and 580,350.48 is: 800,922.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,899.12 : 1,393,729.08 = 580,350.48 : x
  2. Step 2: Convert to fraction form
    1,009,899.12/1,393,729.08 = 580,350.48/x
  3. Step 3: Cross multiply
    1,009,899.12x = 1,393,729.08 × 580,350.48
  4. Step 4: Simplify right side
    1,009,899.12x = 808,851,340,567.96
  5. Step 5: Solve for x
    x = 808,851,340,567.96/1,009,899.12
  6. Step 6: Final answer
    x = 800,922.91

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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.