Home / 1,258,340.24-1,736,889-856,165.52

Finding the Fourth Proportional to 1,258,340.24, 1,736,889 and 856,165.52

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Solution

The fourth proportional to 1,258,340.24, 1,736,889 and 856,165.52 is: 1,181,766.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,340.24 : 1,736,889 = 856,165.52 : x
  2. Step 2: Convert to fraction form
    1,258,340.24/1,736,889 = 856,165.52/x
  3. Step 3: Cross multiply
    1,258,340.24x = 1,736,889 × 856,165.52
  4. Step 4: Simplify right side
    1,258,340.24x = 1,487,064,473,867.28
  5. Step 5: Solve for x
    x = 1,487,064,473,867.28/1,258,340.24
  6. Step 6: Final answer
    x = 1,181,766.61

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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.