Home / 1,294,175.40-1,942,415.10-761,029.80

Finding the Fourth Proportional to 1,294,175.40, 1,942,415.10 and 761,029.80

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Solution

The fourth proportional to 1,294,175.40, 1,942,415.10 and 761,029.80 is: 1,142,222.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,175.40 : 1,942,415.10 = 761,029.80 : x
  2. Step 2: Convert to fraction form
    1,294,175.40/1,942,415.10 = 761,029.80/x
  3. Step 3: Cross multiply
    1,294,175.40x = 1,942,415.10 × 761,029.80
  4. Step 4: Simplify right side
    1,294,175.40x = 1,478,235,775,069.98
  5. Step 5: Solve for x
    x = 1,478,235,775,069.98/1,294,175.40
  6. Step 6: Final answer
    x = 1,142,222.12

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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.