Home / 1,302,465.76-1,798,280.44-813,180.96

Finding the Fourth Proportional to 1,302,465.76, 1,798,280.44 and 813,180.96

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Solution

The fourth proportional to 1,302,465.76, 1,798,280.44 and 813,180.96 is: 1,122,737.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,465.76 : 1,798,280.44 = 813,180.96 : x
  2. Step 2: Convert to fraction form
    1,302,465.76/1,798,280.44 = 813,180.96/x
  3. Step 3: Cross multiply
    1,302,465.76x = 1,798,280.44 × 813,180.96
  4. Step 4: Simplify right side
    1,302,465.76x = 1,462,327,414,548.42
  5. Step 5: Solve for x
    x = 1,462,327,414,548.42/1,302,465.76
  6. Step 6: Final answer
    x = 1,122,737.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.