Home / 1,008,492.20-1,391,719.24-555,783.20

Finding the Fourth Proportional to 1,008,492.20, 1,391,719.24 and 555,783.20

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Solution

The fourth proportional to 1,008,492.20, 1,391,719.24 and 555,783.20 is: 766,980.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,492.20 : 1,391,719.24 = 555,783.20 : x
  2. Step 2: Convert to fraction form
    1,008,492.20/1,391,719.24 = 555,783.20/x
  3. Step 3: Cross multiply
    1,008,492.20x = 1,391,719.24 × 555,783.20
  4. Step 4: Simplify right side
    1,008,492.20x = 773,494,172,708.77
  5. Step 5: Solve for x
    x = 773,494,172,708.77/1,008,492.20
  6. Step 6: Final answer
    x = 766,980.82

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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.