Home / 1,009,924-1,393,739.60-580,338.88

Finding the Fourth Proportional to 1,009,924, 1,393,739.60 and 580,338.88

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Solution

The fourth proportional to 1,009,924, 1,393,739.60 and 580,338.88 is: 800,893.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,924 : 1,393,739.60 = 580,338.88 : x
  2. Step 2: Convert to fraction form
    1,009,924/1,393,739.60 = 580,338.88/x
  3. Step 3: Cross multiply
    1,009,924x = 1,393,739.60 × 580,338.88
  4. Step 4: Simplify right side
    1,009,924x = 808,841,278,475.65
  5. Step 5: Solve for x
    x = 808,841,278,475.65/1,009,924
  6. Step 6: Final answer
    x = 800,893.21

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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.