Home / 1,117,612.55-1,542,262.52-634,148.87

Finding the Fourth Proportional to 1,117,612.55, 1,542,262.52 and 634,148.87

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Solution

The fourth proportional to 1,117,612.55, 1,542,262.52 and 634,148.87 is: 875,101.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,612.55 : 1,542,262.52 = 634,148.87 : x
  2. Step 2: Convert to fraction form
    1,117,612.55/1,542,262.52 = 634,148.87/x
  3. Step 3: Cross multiply
    1,117,612.55x = 1,542,262.52 × 634,148.87
  4. Step 4: Simplify right side
    1,117,612.55x = 978,024,028,175.41
  5. Step 5: Solve for x
    x = 978,024,028,175.41/1,117,612.55
  6. Step 6: Final answer
    x = 875,101.15

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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.