Home / 1,363,889.86-2,045,916.68-417,268.78

Finding the Fourth Proportional to 1,363,889.86, 2,045,916.68 and 417,268.78

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Solution

The fourth proportional to 1,363,889.86, 2,045,916.68 and 417,268.78 is: 625,928.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,889.86 : 2,045,916.68 = 417,268.78 : x
  2. Step 2: Convert to fraction form
    1,363,889.86/2,045,916.68 = 417,268.78/x
  3. Step 3: Cross multiply
    1,363,889.86x = 2,045,916.68 × 417,268.78
  4. Step 4: Simplify right side
    1,363,889.86x = 853,697,157,045.25
  5. Step 5: Solve for x
    x = 853,697,157,045.25/1,363,889.86
  6. Step 6: Final answer
    x = 625,928.22

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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.