Home / 1,018,991.75-1,528,486.65-260,832.02

Finding the Fourth Proportional to 1,018,991.75, 1,528,486.65 and 260,832.02

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Solution

The fourth proportional to 1,018,991.75, 1,528,486.65 and 260,832.02 is: 391,247.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,991.75 : 1,528,486.65 = 260,832.02 : x
  2. Step 2: Convert to fraction form
    1,018,991.75/1,528,486.65 = 260,832.02/x
  3. Step 3: Cross multiply
    1,018,991.75x = 1,528,486.65 × 260,832.02
  4. Step 4: Simplify right side
    1,018,991.75x = 398,678,252,820.10
  5. Step 5: Solve for x
    x = 398,678,252,820.10/1,018,991.75
  6. Step 6: Final answer
    x = 391,247.77

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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.