Home / 1,022,886.40-1,534,273.95-312,914.44

Finding the Fourth Proportional to 1,022,886.40, 1,534,273.95 and 312,914.44

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Solution

The fourth proportional to 1,022,886.40, 1,534,273.95 and 312,914.44 is: 469,354.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,886.40 : 1,534,273.95 = 312,914.44 : x
  2. Step 2: Convert to fraction form
    1,022,886.40/1,534,273.95 = 312,914.44/x
  3. Step 3: Cross multiply
    1,022,886.40x = 1,534,273.95 × 312,914.44
  4. Step 4: Simplify right side
    1,022,886.40x = 480,096,476,962.11
  5. Step 5: Solve for x
    x = 480,096,476,962.11/1,022,886.40
  6. Step 6: Final answer
    x = 469,354.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.