Home / 1,383,227.14-1,909,329.69-810,452.74

Finding the Fourth Proportional to 1,383,227.14, 1,909,329.69 and 810,452.74

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Solution

The fourth proportional to 1,383,227.14, 1,909,329.69 and 810,452.74 is: 1,118,703.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,227.14 : 1,909,329.69 = 810,452.74 : x
  2. Step 2: Convert to fraction form
    1,383,227.14/1,909,329.69 = 810,452.74/x
  3. Step 3: Cross multiply
    1,383,227.14x = 1,909,329.69 × 810,452.74
  4. Step 4: Simplify right side
    1,383,227.14x = 1,547,421,478,823.85
  5. Step 5: Solve for x
    x = 1,547,421,478,823.85/1,383,227.14
  6. Step 6: Final answer
    x = 1,118,703.82

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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.