Home / 1,141,978.74-1,713,125.45-383,879.08

Finding the Fourth Proportional to 1,141,978.74, 1,713,125.45 and 383,879.08

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Solution

The fourth proportional to 1,141,978.74, 1,713,125.45 and 383,879.08 is: 575,871.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,978.74 : 1,713,125.45 = 383,879.08 : x
  2. Step 2: Convert to fraction form
    1,141,978.74/1,713,125.45 = 383,879.08/x
  3. Step 3: Cross multiply
    1,141,978.74x = 1,713,125.45 × 383,879.08
  4. Step 4: Simplify right side
    1,141,978.74x = 657,633,021,670.59
  5. Step 5: Solve for x
    x = 657,633,021,670.59/1,141,978.74
  6. Step 6: Final answer
    x = 575,871.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.