Home / 1,194,172.95-1,791,385.17-688,722.63

Finding the Fourth Proportional to 1,194,172.95, 1,791,385.17 and 688,722.63

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Solution

The fourth proportional to 1,194,172.95, 1,791,385.17 and 688,722.63 is: 1,033,156.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194,172.95 : 1,791,385.17 = 688,722.63 : x
  2. Step 2: Convert to fraction form
    1,194,172.95/1,791,385.17 = 688,722.63/x
  3. Step 3: Cross multiply
    1,194,172.95x = 1,791,385.17 × 688,722.63
  4. Step 4: Simplify right side
    1,194,172.95x = 1,233,767,505,625.40
  5. Step 5: Solve for x
    x = 1,233,767,505,625.40/1,194,172.95
  6. Step 6: Final answer
    x = 1,033,156.47

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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.