Home / 1,213,760.34-1,670,495.13-890,959.14

Finding the Fourth Proportional to 1,213,760.34, 1,670,495.13 and 890,959.14

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Solution

The fourth proportional to 1,213,760.34, 1,670,495.13 and 890,959.14 is: 1,226,224.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,760.34 : 1,670,495.13 = 890,959.14 : x
  2. Step 2: Convert to fraction form
    1,213,760.34/1,670,495.13 = 890,959.14/x
  3. Step 3: Cross multiply
    1,213,760.34x = 1,670,495.13 × 890,959.14
  4. Step 4: Simplify right side
    1,213,760.34x = 1,488,342,904,398.99
  5. Step 5: Solve for x
    x = 1,488,342,904,398.99/1,213,760.34
  6. Step 6: Final answer
    x = 1,226,224.70

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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.