Home / 1,008,399.30-1,391,525.25-555,690.18

Finding the Fourth Proportional to 1,008,399.30, 1,391,525.25 and 555,690.18

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Solution

The fourth proportional to 1,008,399.30, 1,391,525.25 and 555,690.18 is: 766,816.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,399.30 : 1,391,525.25 = 555,690.18 : x
  2. Step 2: Convert to fraction form
    1,008,399.30/1,391,525.25 = 555,690.18/x
  3. Step 3: Cross multiply
    1,008,399.30x = 1,391,525.25 × 555,690.18
  4. Step 4: Simplify right side
    1,008,399.30x = 773,256,916,647.05
  5. Step 5: Solve for x
    x = 773,256,916,647.05/1,008,399.30
  6. Step 6: Final answer
    x = 766,816.20

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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.