Home / 1,238,672.48-1,857,809.84-339,904.32

Finding the Fourth Proportional to 1,238,672.48, 1,857,809.84 and 339,904.32

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Solution

The fourth proportional to 1,238,672.48, 1,857,809.84 and 339,904.32 is: 509,801.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,672.48 : 1,857,809.84 = 339,904.32 : x
  2. Step 2: Convert to fraction form
    1,238,672.48/1,857,809.84 = 339,904.32/x
  3. Step 3: Cross multiply
    1,238,672.48x = 1,857,809.84 × 339,904.32
  4. Step 4: Simplify right side
    1,238,672.48x = 631,477,590,354.51
  5. Step 5: Solve for x
    x = 631,477,590,354.51/1,238,672.48
  6. Step 6: Final answer
    x = 509,801.91

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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.