Home / 1,693,060.32-2,539,828.77-495,072.78

Finding the Fourth Proportional to 1,693,060.32, 2,539,828.77 and 495,072.78

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Solution

The fourth proportional to 1,693,060.32, 2,539,828.77 and 495,072.78 is: 742,678.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,060.32 : 2,539,828.77 = 495,072.78 : x
  2. Step 2: Convert to fraction form
    1,693,060.32/2,539,828.77 = 495,072.78/x
  3. Step 3: Cross multiply
    1,693,060.32x = 2,539,828.77 × 495,072.78
  4. Step 4: Simplify right side
    1,693,060.32x = 1,257,400,089,887.88
  5. Step 5: Solve for x
    x = 1,257,400,089,887.88/1,693,060.32
  6. Step 6: Final answer
    x = 742,678.85

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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.