Home / 1,421,429.13-2,141,733.87-1,174,247.10

Finding the Fourth Proportional to 1,421,429.13, 2,141,733.87 and 1,174,247.10

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Solution

The fourth proportional to 1,421,429.13, 2,141,733.87 and 1,174,247.10 is: 1,769,293.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,429.13 : 2,141,733.87 = 1,174,247.10 : x
  2. Step 2: Convert to fraction form
    1,421,429.13/2,141,733.87 = 1,174,247.10/x
  3. Step 3: Cross multiply
    1,421,429.13x = 2,141,733.87 × 1,174,247.10
  4. Step 4: Simplify right side
    1,421,429.13x = 2,514,924,785,819.28
  5. Step 5: Solve for x
    x = 2,514,924,785,819.28/1,421,429.13
  6. Step 6: Final answer
    x = 1,769,293.12

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.