Home / 699,996.40-1,047,370.20-637,010.80

Finding the Fourth Proportional to 699,996.40, 1,047,370.20 and 637,010.80

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Solution

The fourth proportional to 699,996.40, 1,047,370.20 and 637,010.80 is: 953,127.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,996.40 : 1,047,370.20 = 637,010.80 : x
  2. Step 2: Convert to fraction form
    699,996.40/1,047,370.20 = 637,010.80/x
  3. Step 3: Cross multiply
    699,996.40x = 1,047,370.20 × 637,010.80
  4. Step 4: Simplify right side
    699,996.40x = 667,186,128,998.16
  5. Step 5: Solve for x
    x = 667,186,128,998.16/699,996.40
  6. Step 6: Final answer
    x = 953,127.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.