Home / 1,525,245.78-2,104,878.24-836,947.20

Finding the Fourth Proportional to 1,525,245.78, 2,104,878.24 and 836,947.20

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Solution

The fourth proportional to 1,525,245.78, 2,104,878.24 and 836,947.20 is: 1,155,008.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,245.78 : 2,104,878.24 = 836,947.20 : x
  2. Step 2: Convert to fraction form
    1,525,245.78/2,104,878.24 = 836,947.20/x
  3. Step 3: Cross multiply
    1,525,245.78x = 2,104,878.24 × 836,947.20
  4. Step 4: Simplify right side
    1,525,245.78x = 1,761,671,949,308.93
  5. Step 5: Solve for x
    x = 1,761,671,949,308.93/1,525,245.78
  6. Step 6: Final answer
    x = 1,155,008.57

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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.