Home / 1,774,169.75-2,661,254.34-426,332.36

Finding the Fourth Proportional to 1,774,169.75, 2,661,254.34 and 426,332.36

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Solution

The fourth proportional to 1,774,169.75, 2,661,254.34 and 426,332.36 is: 639,498.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774,169.75 : 2,661,254.34 = 426,332.36 : x
  2. Step 2: Convert to fraction form
    1,774,169.75/2,661,254.34 = 426,332.36/x
  3. Step 3: Cross multiply
    1,774,169.75x = 2,661,254.34 × 426,332.36
  4. Step 4: Simplify right side
    1,774,169.75x = 1,134,578,850,784.95
  5. Step 5: Solve for x
    x = 1,134,578,850,784.95/1,774,169.75
  6. Step 6: Final answer
    x = 639,498.48

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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.