Home / 1,789,280.21-2,684,169.70-574,893.69

Finding the Fourth Proportional to 1,789,280.21, 2,684,169.70 and 574,893.69

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Solution

The fourth proportional to 1,789,280.21, 2,684,169.70 and 574,893.69 is: 862,420.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789,280.21 : 2,684,169.70 = 574,893.69 : x
  2. Step 2: Convert to fraction form
    1,789,280.21/2,684,169.70 = 574,893.69/x
  3. Step 3: Cross multiply
    1,789,280.21x = 2,684,169.70 × 574,893.69
  4. Step 4: Simplify right side
    1,789,280.21x = 1,543,112,211,916.32
  5. Step 5: Solve for x
    x = 1,543,112,211,916.32/1,789,280.21
  6. Step 6: Final answer
    x = 862,420.65

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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.