Home / 1,427,088.56-2,140,989.84-1,007,184.56

Finding the Fourth Proportional to 1,427,088.56, 2,140,989.84 and 1,007,184.56

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Solution

The fourth proportional to 1,427,088.56, 2,140,989.84 and 1,007,184.56 is: 1,511,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,088.56 : 2,140,989.84 = 1,007,184.56 : x
  2. Step 2: Convert to fraction form
    1,427,088.56/2,140,989.84 = 1,007,184.56/x
  3. Step 3: Cross multiply
    1,427,088.56x = 2,140,989.84 × 1,007,184.56
  4. Step 4: Simplify right side
    1,427,088.56x = 2,156,371,909,964.87
  5. Step 5: Solve for x
    x = 2,156,371,909,964.87/1,427,088.56
  6. Step 6: Final answer
    x = 1,511,028.80

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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.