Home / 1,430,616.82-1,974,245.22-786,035.02

Finding the Fourth Proportional to 1,430,616.82, 1,974,245.22 and 786,035.02

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Solution

The fourth proportional to 1,430,616.82, 1,974,245.22 and 786,035.02 is: 1,084,725.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,616.82 : 1,974,245.22 = 786,035.02 : x
  2. Step 2: Convert to fraction form
    1,430,616.82/1,974,245.22 = 786,035.02/x
  3. Step 3: Cross multiply
    1,430,616.82x = 1,974,245.22 × 786,035.02
  4. Step 4: Simplify right side
    1,430,616.82x = 1,551,825,880,987.60
  5. Step 5: Solve for x
    x = 1,551,825,880,987.60/1,430,616.82
  6. Step 6: Final answer
    x = 1,084,725.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.