Home / 1,272,048.54-1,908,063.06-325,417.74

Finding the Fourth Proportional to 1,272,048.54, 1,908,063.06 and 325,417.74

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Solution

The fourth proportional to 1,272,048.54, 1,908,063.06 and 325,417.74 is: 488,124.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,048.54 : 1,908,063.06 = 325,417.74 : x
  2. Step 2: Convert to fraction form
    1,272,048.54/1,908,063.06 = 325,417.74/x
  3. Step 3: Cross multiply
    1,272,048.54x = 1,908,063.06 × 325,417.74
  4. Step 4: Simplify right side
    1,272,048.54x = 620,917,568,762.69
  5. Step 5: Solve for x
    x = 620,917,568,762.69/1,272,048.54
  6. Step 6: Final answer
    x = 488,124.12

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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.