Home / 889,577.40-1,331,255.70-814,927.80

Finding the Fourth Proportional to 889,577.40, 1,331,255.70 and 814,927.80

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Solution

The fourth proportional to 889,577.40, 1,331,255.70 and 814,927.80 is: 1,219,542.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,577.40 : 1,331,255.70 = 814,927.80 : x
  2. Step 2: Convert to fraction form
    889,577.40/1,331,255.70 = 814,927.80/x
  3. Step 3: Cross multiply
    889,577.40x = 1,331,255.70 × 814,927.80
  4. Step 4: Simplify right side
    889,577.40x = 1,084,877,278,838.46
  5. Step 5: Solve for x
    x = 1,084,877,278,838.46/889,577.40
  6. Step 6: Final answer
    x = 1,219,542.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.