Home / 1,410,642.38-1,946,725.02-829,906.40

Finding the Fourth Proportional to 1,410,642.38, 1,946,725.02 and 829,906.40

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Solution

The fourth proportional to 1,410,642.38, 1,946,725.02 and 829,906.40 is: 1,145,293.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,642.38 : 1,946,725.02 = 829,906.40 : x
  2. Step 2: Convert to fraction form
    1,410,642.38/1,946,725.02 = 829,906.40/x
  3. Step 3: Cross multiply
    1,410,642.38x = 1,946,725.02 × 829,906.40
  4. Step 4: Simplify right side
    1,410,642.38x = 1,615,599,553,138.13
  5. Step 5: Solve for x
    x = 1,615,599,553,138.13/1,410,642.38
  6. Step 6: Final answer
    x = 1,145,293.50

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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.