Home / 1,052,721.60-1,578,045.60-520,324.80

Finding the Fourth Proportional to 1,052,721.60, 1,578,045.60 and 520,324.80

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Solution

The fourth proportional to 1,052,721.60, 1,578,045.60 and 520,324.80 is: 779,974.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,721.60 : 1,578,045.60 = 520,324.80 : x
  2. Step 2: Convert to fraction form
    1,052,721.60/1,578,045.60 = 520,324.80/x
  3. Step 3: Cross multiply
    1,052,721.60x = 1,578,045.60 × 520,324.80
  4. Step 4: Simplify right side
    1,052,721.60x = 821,096,261,210.88
  5. Step 5: Solve for x
    x = 821,096,261,210.88/1,052,721.60
  6. Step 6: Final answer
    x = 779,974.74

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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.