Home / 1,639,143.24-2,263,445.25-1,028,346

Finding the Fourth Proportional to 1,639,143.24, 2,263,445.25 and 1,028,346

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Solution

The fourth proportional to 1,639,143.24, 2,263,445.25 and 1,028,346 is: 1,420,013.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,143.24 : 2,263,445.25 = 1,028,346 : x
  2. Step 2: Convert to fraction form
    1,639,143.24/2,263,445.25 = 1,028,346/x
  3. Step 3: Cross multiply
    1,639,143.24x = 2,263,445.25 × 1,028,346
  4. Step 4: Simplify right side
    1,639,143.24x = 2,327,604,869,056.50
  5. Step 5: Solve for x
    x = 2,327,604,869,056.50/1,639,143.24
  6. Step 6: Final answer
    x = 1,420,013.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.