Home / 1,008,554.40-1,392,042.24-626,869.44

Finding the Fourth Proportional to 1,008,554.40, 1,392,042.24 and 626,869.44

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Solution

The fourth proportional to 1,008,554.40, 1,392,042.24 and 626,869.44 is: 865,227.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,554.40 : 1,392,042.24 = 626,869.44 : x
  2. Step 2: Convert to fraction form
    1,008,554.40/1,392,042.24 = 626,869.44/x
  3. Step 3: Cross multiply
    1,008,554.40x = 1,392,042.24 × 626,869.44
  4. Step 4: Simplify right side
    1,008,554.40x = 872,628,739,445.15
  5. Step 5: Solve for x
    x = 872,628,739,445.15/1,008,554.40
  6. Step 6: Final answer
    x = 865,227.24

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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.