Home / 1,013,789.34-1,521,021.81-339,937.26

Finding the Fourth Proportional to 1,013,789.34, 1,521,021.81 and 339,937.26

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Solution

The fourth proportional to 1,013,789.34, 1,521,021.81 and 339,937.26 is: 510,019.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,789.34 : 1,521,021.81 = 339,937.26 : x
  2. Step 2: Convert to fraction form
    1,013,789.34/1,521,021.81 = 339,937.26/x
  3. Step 3: Cross multiply
    1,013,789.34x = 1,521,021.81 × 339,937.26
  4. Step 4: Simplify right side
    1,013,789.34x = 517,051,986,491.64
  5. Step 5: Solve for x
    x = 517,051,986,491.64/1,013,789.34
  6. Step 6: Final answer
    x = 510,019.16

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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.