Home / 1,508,969.76-2,260,415.52-698,211.60

Finding the Fourth Proportional to 1,508,969.76, 2,260,415.52 and 698,211.60

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Solution

The fourth proportional to 1,508,969.76, 2,260,415.52 and 698,211.60 is: 1,045,911.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,969.76 : 2,260,415.52 = 698,211.60 : x
  2. Step 2: Convert to fraction form
    1,508,969.76/2,260,415.52 = 698,211.60/x
  3. Step 3: Cross multiply
    1,508,969.76x = 2,260,415.52 × 698,211.60
  4. Step 4: Simplify right side
    1,508,969.76x = 1,578,248,336,884.03
  5. Step 5: Solve for x
    x = 1,578,248,336,884.03/1,508,969.76
  6. Step 6: Final answer
    x = 1,045,911.18

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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.