Home / 818,109.18-1,127,935.26-670,384.89

Finding the Fourth Proportional to 818,109.18, 1,127,935.26 and 670,384.89

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Solution

The fourth proportional to 818,109.18, 1,127,935.26 and 670,384.89 is: 924,266.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,109.18 : 1,127,935.26 = 670,384.89 : x
  2. Step 2: Convert to fraction form
    818,109.18/1,127,935.26 = 670,384.89/x
  3. Step 3: Cross multiply
    818,109.18x = 1,127,935.26 × 670,384.89
  4. Step 4: Simplify right side
    818,109.18x = 756,150,755,202.22
  5. Step 5: Solve for x
    x = 756,150,755,202.22/818,109.18
  6. Step 6: Final answer
    x = 924,266.31

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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.