Home / 1,118,406.48-1,543,418.51-609,108.45

Finding the Fourth Proportional to 1,118,406.48, 1,543,418.51 and 609,108.45

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Solution

The fourth proportional to 1,118,406.48, 1,543,418.51 and 609,108.45 is: 840,579.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,406.48 : 1,543,418.51 = 609,108.45 : x
  2. Step 2: Convert to fraction form
    1,118,406.48/1,543,418.51 = 609,108.45/x
  3. Step 3: Cross multiply
    1,118,406.48x = 1,543,418.51 × 609,108.45
  4. Step 4: Simplify right side
    1,118,406.48x = 940,109,256,327.41
  5. Step 5: Solve for x
    x = 940,109,256,327.41/1,118,406.48
  6. Step 6: Final answer
    x = 840,579.23

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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.