Home / 1,118,114.28-1,542,949.56-634,670.64

Finding the Fourth Proportional to 1,118,114.28, 1,542,949.56 and 634,670.64

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Solution

The fourth proportional to 1,118,114.28, 1,542,949.56 and 634,670.64 is: 875,818.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,114.28 : 1,542,949.56 = 634,670.64 : x
  2. Step 2: Convert to fraction form
    1,118,114.28/1,542,949.56 = 634,670.64/x
  3. Step 3: Cross multiply
    1,118,114.28x = 1,542,949.56 × 634,670.64
  4. Step 4: Simplify right side
    1,118,114.28x = 979,264,784,732.92
  5. Step 5: Solve for x
    x = 979,264,784,732.92/1,118,114.28
  6. Step 6: Final answer
    x = 875,818.15

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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.