Home / 1,064,108.80-1,594,089.60-642,131.20

Finding the Fourth Proportional to 1,064,108.80, 1,594,089.60 and 642,131.20

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Solution

The fourth proportional to 1,064,108.80, 1,594,089.60 and 642,131.20 is: 961,945.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,108.80 : 1,594,089.60 = 642,131.20 : x
  2. Step 2: Convert to fraction form
    1,064,108.80/1,594,089.60 = 642,131.20/x
  3. Step 3: Cross multiply
    1,064,108.80x = 1,594,089.60 × 642,131.20
  4. Step 4: Simplify right side
    1,064,108.80x = 1,023,614,667,755.52
  5. Step 5: Solve for x
    x = 1,023,614,667,755.52/1,064,108.80
  6. Step 6: Final answer
    x = 961,945.50

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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.