Home / 999,842.58-1,379,748.47-570,261.11

Finding the Fourth Proportional to 999,842.58, 1,379,748.47 and 570,261.11

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Solution

The fourth proportional to 999,842.58, 1,379,748.47 and 570,261.11 is: 786,940.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,842.58 : 1,379,748.47 = 570,261.11 : x
  2. Step 2: Convert to fraction form
    999,842.58/1,379,748.47 = 570,261.11/x
  3. Step 3: Cross multiply
    999,842.58x = 1,379,748.47 × 570,261.11
  4. Step 4: Simplify right side
    999,842.58x = 786,816,884,272.95
  5. Step 5: Solve for x
    x = 786,816,884,272.95/999,842.58
  6. Step 6: Final answer
    x = 786,940.76

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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.