Home / 1,009,938.12-1,393,782.90-580,389.48

Finding the Fourth Proportional to 1,009,938.12, 1,393,782.90 and 580,389.48

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Solution

The fourth proportional to 1,009,938.12, 1,393,782.90 and 580,389.48 is: 800,976.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,938.12 : 1,393,782.90 = 580,389.48 : x
  2. Step 2: Convert to fraction form
    1,009,938.12/1,393,782.90 = 580,389.48/x
  3. Step 3: Cross multiply
    1,009,938.12x = 1,393,782.90 × 580,389.48
  4. Step 4: Simplify right side
    1,009,938.12x = 808,936,932,563.89
  5. Step 5: Solve for x
    x = 808,936,932,563.89/1,009,938.12
  6. Step 6: Final answer
    x = 800,976.73

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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.