Home / 1,422,591.40-2,133,887.10-1,026,015.40

Finding the Fourth Proportional to 1,422,591.40, 2,133,887.10 and 1,026,015.40

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Solution

The fourth proportional to 1,422,591.40, 2,133,887.10 and 1,026,015.40 is: 1,539,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,591.40 : 2,133,887.10 = 1,026,015.40 : x
  2. Step 2: Convert to fraction form
    1,422,591.40/2,133,887.10 = 1,026,015.40/x
  3. Step 3: Cross multiply
    1,422,591.40x = 2,133,887.10 × 1,026,015.40
  4. Step 4: Simplify right side
    1,422,591.40x = 2,189,401,026,461.34
  5. Step 5: Solve for x
    x = 2,189,401,026,461.34/1,422,591.40
  6. Step 6: Final answer
    x = 1,539,023.10

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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.