Home / 1,192,457.38-1,788,644.76-339,534.40

Finding the Fourth Proportional to 1,192,457.38, 1,788,644.76 and 339,534.40

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Solution

The fourth proportional to 1,192,457.38, 1,788,644.76 and 339,534.40 is: 509,289.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,457.38 : 1,788,644.76 = 339,534.40 : x
  2. Step 2: Convert to fraction form
    1,192,457.38/1,788,644.76 = 339,534.40/x
  3. Step 3: Cross multiply
    1,192,457.38x = 1,788,644.76 × 339,534.40
  4. Step 4: Simplify right side
    1,192,457.38x = 607,306,425,399.74
  5. Step 5: Solve for x
    x = 607,306,425,399.74/1,192,457.38
  6. Step 6: Final answer
    x = 509,289.84

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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.