Home / 1,259,348.60-1,888,850.10-417,812.60

Finding the Fourth Proportional to 1,259,348.60, 1,888,850.10 and 417,812.60

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Solution

The fourth proportional to 1,259,348.60, 1,888,850.10 and 417,812.60 is: 626,661.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,348.60 : 1,888,850.10 = 417,812.60 : x
  2. Step 2: Convert to fraction form
    1,259,348.60/1,888,850.10 = 417,812.60/x
  3. Step 3: Cross multiply
    1,259,348.60x = 1,888,850.10 × 417,812.60
  4. Step 4: Simplify right side
    1,259,348.60x = 789,185,371,291.26
  5. Step 5: Solve for x
    x = 789,185,371,291.26/1,259,348.60
  6. Step 6: Final answer
    x = 626,661.57

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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.