Home / 846,242.91-1,269,317.52-618,771.69

Finding the Fourth Proportional to 846,242.91, 1,269,317.52 and 618,771.69

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Solution

The fourth proportional to 846,242.91, 1,269,317.52 and 618,771.69 is: 928,123.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,242.91 : 1,269,317.52 = 618,771.69 : x
  2. Step 2: Convert to fraction form
    846,242.91/1,269,317.52 = 618,771.69/x
  3. Step 3: Cross multiply
    846,242.91x = 1,269,317.52 × 618,771.69
  4. Step 4: Simplify right side
    846,242.91x = 785,417,746,997.01
  5. Step 5: Solve for x
    x = 785,417,746,997.01/846,242.91
  6. Step 6: Final answer
    x = 928,123.28

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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.