Home / 1,422,258.47-2,133,389.75-580,810.22

Finding the Fourth Proportional to 1,422,258.47, 2,133,389.75 and 580,810.22

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Solution

The fourth proportional to 1,422,258.47, 2,133,389.75 and 580,810.22 is: 871,216.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,258.47 : 2,133,389.75 = 580,810.22 : x
  2. Step 2: Convert to fraction form
    1,422,258.47/2,133,389.75 = 580,810.22/x
  3. Step 3: Cross multiply
    1,422,258.47x = 2,133,389.75 × 580,810.22
  4. Step 4: Simplify right side
    1,422,258.47x = 1,239,094,570,043.24
  5. Step 5: Solve for x
    x = 1,239,094,570,043.24/1,422,258.47
  6. Step 6: Final answer
    x = 871,216.17

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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.