Home / 838,445.13-1,263,317.07-691,966.35

Finding the Fourth Proportional to 838,445.13, 1,263,317.07 and 691,966.35

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Solution

The fourth proportional to 838,445.13, 1,263,317.07 and 691,966.35 is: 1,042,611.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,445.13 : 1,263,317.07 = 691,966.35 : x
  2. Step 2: Convert to fraction form
    838,445.13/1,263,317.07 = 691,966.35/x
  3. Step 3: Cross multiply
    838,445.13x = 1,263,317.07 × 691,966.35
  4. Step 4: Simplify right side
    838,445.13x = 874,172,901,820.60
  5. Step 5: Solve for x
    x = 874,172,901,820.60/838,445.13
  6. Step 6: Final answer
    x = 1,042,611.94

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.