Home / 1,238,670.48-1,857,806.84-339,902.33

Finding the Fourth Proportional to 1,238,670.48, 1,857,806.84 and 339,902.33

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Solution

The fourth proportional to 1,238,670.48, 1,857,806.84 and 339,902.33 is: 509,798.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,670.48 : 1,857,806.84 = 339,902.33 : x
  2. Step 2: Convert to fraction form
    1,238,670.48/1,857,806.84 = 339,902.33/x
  3. Step 3: Cross multiply
    1,238,670.48x = 1,857,806.84 × 339,902.33
  4. Step 4: Simplify right side
    1,238,670.48x = 631,472,863,254.71
  5. Step 5: Solve for x
    x = 631,472,863,254.71/1,238,670.48
  6. Step 6: Final answer
    x = 509,798.91

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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.