Home / 1,225,468.23-1,838,215.70-372,678.56

Finding the Fourth Proportional to 1,225,468.23, 1,838,215.70 and 372,678.56

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Solution

The fourth proportional to 1,225,468.23, 1,838,215.70 and 372,678.56 is: 559,021.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,468.23 : 1,838,215.70 = 372,678.56 : x
  2. Step 2: Convert to fraction form
    1,225,468.23/1,838,215.70 = 372,678.56/x
  3. Step 3: Cross multiply
    1,225,468.23x = 1,838,215.70 × 372,678.56
  4. Step 4: Simplify right side
    1,225,468.23x = 685,063,580,045.39
  5. Step 5: Solve for x
    x = 685,063,580,045.39/1,225,468.23
  6. Step 6: Final answer
    x = 559,021.90

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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.