Home / 1,138,032.22-1,570,466.12-621,775.03

Finding the Fourth Proportional to 1,138,032.22, 1,570,466.12 and 621,775.03

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Solution

The fourth proportional to 1,138,032.22, 1,570,466.12 and 621,775.03 is: 858,039.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,032.22 : 1,570,466.12 = 621,775.03 : x
  2. Step 2: Convert to fraction form
    1,138,032.22/1,570,466.12 = 621,775.03/x
  3. Step 3: Cross multiply
    1,138,032.22x = 1,570,466.12 × 621,775.03
  4. Step 4: Simplify right side
    1,138,032.22x = 976,476,611,024.65
  5. Step 5: Solve for x
    x = 976,476,611,024.65/1,138,032.22
  6. Step 6: Final answer
    x = 858,039.52

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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.