Home / 1,140,737.82-1,711,102.08-287,811.48

Finding the Fourth Proportional to 1,140,737.82, 1,711,102.08 and 287,811.48

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Solution

The fourth proportional to 1,140,737.82, 1,711,102.08 and 287,811.48 is: 431,716.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,737.82 : 1,711,102.08 = 287,811.48 : x
  2. Step 2: Convert to fraction form
    1,140,737.82/1,711,102.08 = 287,811.48/x
  3. Step 3: Cross multiply
    1,140,737.82x = 1,711,102.08 × 287,811.48
  4. Step 4: Simplify right side
    1,140,737.82x = 492,474,822,075.88
  5. Step 5: Solve for x
    x = 492,474,822,075.88/1,140,737.82
  6. Step 6: Final answer
    x = 431,716.05

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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.