Home / 1,383,229.64-1,909,333.14-810,455.24

Finding the Fourth Proportional to 1,383,229.64, 1,909,333.14 and 810,455.24

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Solution

The fourth proportional to 1,383,229.64, 1,909,333.14 and 810,455.24 is: 1,118,707.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,229.64 : 1,909,333.14 = 810,455.24 : x
  2. Step 2: Convert to fraction form
    1,383,229.64/1,909,333.14 = 810,455.24/x
  3. Step 3: Cross multiply
    1,383,229.64x = 1,909,333.14 × 810,455.24
  4. Step 4: Simplify right side
    1,383,229.64x = 1,547,429,048,218.65
  5. Step 5: Solve for x
    x = 1,547,429,048,218.65/1,383,229.64
  6. Step 6: Final answer
    x = 1,118,707.27

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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.