Home / 1,051,915.70-1,578,910.35-520,037.30

Finding the Fourth Proportional to 1,051,915.70, 1,578,910.35 and 520,037.30

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Solution

The fourth proportional to 1,051,915.70, 1,578,910.35 and 520,037.30 is: 780,568.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,915.70 : 1,578,910.35 = 520,037.30 : x
  2. Step 2: Convert to fraction form
    1,051,915.70/1,578,910.35 = 520,037.30/x
  3. Step 3: Cross multiply
    1,051,915.70x = 1,578,910.35 × 520,037.30
  4. Step 4: Simplify right side
    1,051,915.70x = 821,092,275,356.06
  5. Step 5: Solve for x
    x = 821,092,275,356.06/1,051,915.70
  6. Step 6: Final answer
    x = 780,568.51

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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.