Home / 1,354,284.12-1,867,622.76-810,333.48

Finding the Fourth Proportional to 1,354,284.12, 1,867,622.76 and 810,333.48

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Solution

The fourth proportional to 1,354,284.12, 1,867,622.76 and 810,333.48 is: 1,117,488.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,284.12 : 1,867,622.76 = 810,333.48 : x
  2. Step 2: Convert to fraction form
    1,354,284.12/1,867,622.76 = 810,333.48/x
  3. Step 3: Cross multiply
    1,354,284.12x = 1,867,622.76 × 810,333.48
  4. Step 4: Simplify right side
    1,354,284.12x = 1,513,397,250,438.01
  5. Step 5: Solve for x
    x = 1,513,397,250,438.01/1,354,284.12
  6. Step 6: Final answer
    x = 1,117,488.74

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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.