Home / 1,436,056.70-2,151,132.60-987,284.30

Finding the Fourth Proportional to 1,436,056.70, 2,151,132.60 and 987,284.30

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Solution

The fourth proportional to 1,436,056.70, 2,151,132.60 and 987,284.30 is: 1,478,896.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,056.70 : 2,151,132.60 = 987,284.30 : x
  2. Step 2: Convert to fraction form
    1,436,056.70/2,151,132.60 = 987,284.30/x
  3. Step 3: Cross multiply
    1,436,056.70x = 2,151,132.60 × 987,284.30
  4. Step 4: Simplify right side
    1,436,056.70x = 2,123,779,443,198.18
  5. Step 5: Solve for x
    x = 2,123,779,443,198.18/1,436,056.70
  6. Step 6: Final answer
    x = 1,478,896.65

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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.