Home / 1,258,908.60-1,887,018.27-718,000.32

Finding the Fourth Proportional to 1,258,908.60, 1,887,018.27 and 718,000.32

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Solution

The fourth proportional to 1,258,908.60, 1,887,018.27 and 718,000.32 is: 1,076,233.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,908.60 : 1,887,018.27 = 718,000.32 : x
  2. Step 2: Convert to fraction form
    1,258,908.60/1,887,018.27 = 718,000.32/x
  3. Step 3: Cross multiply
    1,258,908.60x = 1,887,018.27 × 718,000.32
  4. Step 4: Simplify right side
    1,258,908.60x = 1,354,879,721,705.85
  5. Step 5: Solve for x
    x = 1,354,879,721,705.85/1,258,908.60
  6. Step 6: Final answer
    x = 1,076,233.59

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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.