Home / 999,842.83-1,379,748.79-570,261.37

Finding the Fourth Proportional to 999,842.83, 1,379,748.79 and 570,261.37

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Solution

The fourth proportional to 999,842.83, 1,379,748.79 and 570,261.37 is: 786,941.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,842.83 : 1,379,748.79 = 570,261.37 : x
  2. Step 2: Convert to fraction form
    999,842.83/1,379,748.79 = 570,261.37/x
  3. Step 3: Cross multiply
    999,842.83x = 1,379,748.79 × 570,261.37
  4. Step 4: Simplify right side
    999,842.83x = 786,817,435,241.24
  5. Step 5: Solve for x
    x = 786,817,435,241.24/999,842.83
  6. Step 6: Final answer
    x = 786,941.12

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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.