Home / 1,028,954.60-1,543,431.90-1,009,271.60

Finding the Fourth Proportional to 1,028,954.60, 1,543,431.90 and 1,009,271.60

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Solution

The fourth proportional to 1,028,954.60, 1,543,431.90 and 1,009,271.60 is: 1,513,907.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,954.60 : 1,543,431.90 = 1,009,271.60 : x
  2. Step 2: Convert to fraction form
    1,028,954.60/1,543,431.90 = 1,009,271.60/x
  3. Step 3: Cross multiply
    1,028,954.60x = 1,543,431.90 × 1,009,271.60
  4. Step 4: Simplify right side
    1,028,954.60x = 1,557,741,983,204.04
  5. Step 5: Solve for x
    x = 1,557,741,983,204.04/1,028,954.60
  6. Step 6: Final answer
    x = 1,513,907.40

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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.