Home / 1,177,774.73-1,624,915.21-770,115.20

Finding the Fourth Proportional to 1,177,774.73, 1,624,915.21 and 770,115.20

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Solution

The fourth proportional to 1,177,774.73, 1,624,915.21 and 770,115.20 is: 1,062,488.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,774.73 : 1,624,915.21 = 770,115.20 : x
  2. Step 2: Convert to fraction form
    1,177,774.73/1,624,915.21 = 770,115.20/x
  3. Step 3: Cross multiply
    1,177,774.73x = 1,624,915.21 × 770,115.20
  4. Step 4: Simplify right side
    1,177,774.73x = 1,251,371,899,795.19
  5. Step 5: Solve for x
    x = 1,251,371,899,795.19/1,177,774.73
  6. Step 6: Final answer
    x = 1,062,488.32

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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.