Home / 1,173,966.40-1,760,949.60-425,915.20

Finding the Fourth Proportional to 1,173,966.40, 1,760,949.60 and 425,915.20

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Solution

The fourth proportional to 1,173,966.40, 1,760,949.60 and 425,915.20 is: 638,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,966.40 : 1,760,949.60 = 425,915.20 : x
  2. Step 2: Convert to fraction form
    1,173,966.40/1,760,949.60 = 425,915.20/x
  3. Step 3: Cross multiply
    1,173,966.40x = 1,760,949.60 × 425,915.20
  4. Step 4: Simplify right side
    1,173,966.40x = 750,015,201,073.92
  5. Step 5: Solve for x
    x = 750,015,201,073.92/1,173,966.40
  6. Step 6: Final answer
    x = 638,872.80

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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.