Home / 1,555,112.24-2,146,045.32-876,267.44

Finding the Fourth Proportional to 1,555,112.24, 2,146,045.32 and 876,267.44

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Solution

The fourth proportional to 1,555,112.24, 2,146,045.32 and 876,267.44 is: 1,209,243.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,112.24 : 2,146,045.32 = 876,267.44 : x
  2. Step 2: Convert to fraction form
    1,555,112.24/2,146,045.32 = 876,267.44/x
  3. Step 3: Cross multiply
    1,555,112.24x = 2,146,045.32 × 876,267.44
  4. Step 4: Simplify right side
    1,555,112.24x = 1,880,509,638,680.38
  5. Step 5: Solve for x
    x = 1,880,509,638,680.38/1,555,112.24
  6. Step 6: Final answer
    x = 1,209,243.67

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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.