Home / 1,274,985.42-1,912,685.70-376,518.03

Finding the Fourth Proportional to 1,274,985.42, 1,912,685.70 and 376,518.03

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Solution

The fourth proportional to 1,274,985.42, 1,912,685.70 and 376,518.03 is: 564,838.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,985.42 : 1,912,685.70 = 376,518.03 : x
  2. Step 2: Convert to fraction form
    1,274,985.42/1,912,685.70 = 376,518.03/x
  3. Step 3: Cross multiply
    1,274,985.42x = 1,912,685.70 × 376,518.03
  4. Step 4: Simplify right side
    1,274,985.42x = 720,160,647,970.37
  5. Step 5: Solve for x
    x = 720,160,647,970.37/1,274,985.42
  6. Step 6: Final answer
    x = 564,838.34

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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.