Home / 957,316.61-1,321,435.28-855,164.68

Finding the Fourth Proportional to 957,316.61, 1,321,435.28 and 855,164.68

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Solution

The fourth proportional to 957,316.61, 1,321,435.28 and 855,164.68 is: 1,180,429.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,316.61 : 1,321,435.28 = 855,164.68 : x
  2. Step 2: Convert to fraction form
    957,316.61/1,321,435.28 = 855,164.68/x
  3. Step 3: Cross multiply
    957,316.61x = 1,321,435.28 × 855,164.68
  4. Step 4: Simplify right side
    957,316.61x = 1,130,044,777,196.23
  5. Step 5: Solve for x
    x = 1,130,044,777,196.23/957,316.61
  6. Step 6: Final answer
    x = 1,180,429.51

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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.