Home / 1,214,272.32-1,675,698.12-670,409.16

Finding the Fourth Proportional to 1,214,272.32, 1,675,698.12 and 670,409.16

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Solution

The fourth proportional to 1,214,272.32, 1,675,698.12 and 670,409.16 is: 925,165.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,272.32 : 1,675,698.12 = 670,409.16 : x
  2. Step 2: Convert to fraction form
    1,214,272.32/1,675,698.12 = 670,409.16/x
  3. Step 3: Cross multiply
    1,214,272.32x = 1,675,698.12 × 670,409.16
  4. Step 4: Simplify right side
    1,214,272.32x = 1,123,403,369,042.78
  5. Step 5: Solve for x
    x = 1,123,403,369,042.78/1,214,272.32
  6. Step 6: Final answer
    x = 925,165.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.