Home / 1,294,368.40-1,942,704.60-761,222.80

Finding the Fourth Proportional to 1,294,368.40, 1,942,704.60 and 761,222.80

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Solution

The fourth proportional to 1,294,368.40, 1,942,704.60 and 761,222.80 is: 1,142,511.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,368.40 : 1,942,704.60 = 761,222.80 : x
  2. Step 2: Convert to fraction form
    1,294,368.40/1,942,704.60 = 761,222.80/x
  3. Step 3: Cross multiply
    1,294,368.40x = 1,942,704.60 × 761,222.80
  4. Step 4: Simplify right side
    1,294,368.40x = 1,478,831,035,184.88
  5. Step 5: Solve for x
    x = 1,478,831,035,184.88/1,294,368.40
  6. Step 6: Final answer
    x = 1,142,511.70

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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.