Home / 1,259,813.70-1,889,720.55-460,829.70

Finding the Fourth Proportional to 1,259,813.70, 1,889,720.55 and 460,829.70

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Solution

The fourth proportional to 1,259,813.70, 1,889,720.55 and 460,829.70 is: 691,244.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,813.70 : 1,889,720.55 = 460,829.70 : x
  2. Step 2: Convert to fraction form
    1,259,813.70/1,889,720.55 = 460,829.70/x
  3. Step 3: Cross multiply
    1,259,813.70x = 1,889,720.55 × 460,829.70
  4. Step 4: Simplify right side
    1,259,813.70x = 870,839,354,140.34
  5. Step 5: Solve for x
    x = 870,839,354,140.34/1,259,813.70
  6. Step 6: Final answer
    x = 691,244.55

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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.