Home / 1,430,757.49-1,974,444.78-786,219.25

Finding the Fourth Proportional to 1,430,757.49, 1,974,444.78 and 786,219.25

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Solution

The fourth proportional to 1,430,757.49, 1,974,444.78 and 786,219.25 is: 1,084,982.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,757.49 : 1,974,444.78 = 786,219.25 : x
  2. Step 2: Convert to fraction form
    1,430,757.49/1,974,444.78 = 786,219.25/x
  3. Step 3: Cross multiply
    1,430,757.49x = 1,974,444.78 × 786,219.25
  4. Step 4: Simplify right side
    1,430,757.49x = 1,552,346,494,098.02
  5. Step 5: Solve for x
    x = 1,552,346,494,098.02/1,430,757.49
  6. Step 6: Final answer
    x = 1,084,982.26

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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.