Home / 1,656,435.76-2,285,878.59-931,284.88

Finding the Fourth Proportional to 1,656,435.76, 2,285,878.59 and 931,284.88

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Solution

The fourth proportional to 1,656,435.76, 2,285,878.59 and 931,284.88 is: 1,285,171.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,435.76 : 2,285,878.59 = 931,284.88 : x
  2. Step 2: Convert to fraction form
    1,656,435.76/2,285,878.59 = 931,284.88/x
  3. Step 3: Cross multiply
    1,656,435.76x = 2,285,878.59 × 931,284.88
  4. Step 4: Simplify right side
    1,656,435.76x = 2,128,804,162,668.02
  5. Step 5: Solve for x
    x = 2,128,804,162,668.02/1,656,435.76
  6. Step 6: Final answer
    x = 1,285,171.58

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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.