Home / 1,258,168.13-1,887,314.39-359,742.05

Finding the Fourth Proportional to 1,258,168.13, 1,887,314.39 and 359,742.05

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Solution

The fourth proportional to 1,258,168.13, 1,887,314.39 and 359,742.05 is: 539,630.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,168.13 : 1,887,314.39 = 359,742.05 : x
  2. Step 2: Convert to fraction form
    1,258,168.13/1,887,314.39 = 359,742.05/x
  3. Step 3: Cross multiply
    1,258,168.13x = 1,887,314.39 × 359,742.05
  4. Step 4: Simplify right side
    1,258,168.13x = 678,946,347,653.10
  5. Step 5: Solve for x
    x = 678,946,347,653.10/1,258,168.13
  6. Step 6: Final answer
    x = 539,630.86

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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.