Home / 1,422,258.57-2,133,389.90-580,810.32

Finding the Fourth Proportional to 1,422,258.57, 2,133,389.90 and 580,810.32

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Solution

The fourth proportional to 1,422,258.57, 2,133,389.90 and 580,810.32 is: 871,216.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,258.57 : 2,133,389.90 = 580,810.32 : x
  2. Step 2: Convert to fraction form
    1,422,258.57/2,133,389.90 = 580,810.32/x
  3. Step 3: Cross multiply
    1,422,258.57x = 2,133,389.90 × 580,810.32
  4. Step 4: Simplify right side
    1,422,258.57x = 1,239,094,867,599.72
  5. Step 5: Solve for x
    x = 1,239,094,867,599.72/1,422,258.57
  6. Step 6: Final answer
    x = 871,216.31

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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.