Home / 1,185,015.07-1,777,102.48-426,653.11

Finding the Fourth Proportional to 1,185,015.07, 1,777,102.48 and 426,653.11

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Solution

The fourth proportional to 1,185,015.07, 1,777,102.48 and 426,653.11 is: 639,828.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,015.07 : 1,777,102.48 = 426,653.11 : x
  2. Step 2: Convert to fraction form
    1,185,015.07/1,777,102.48 = 426,653.11/x
  3. Step 3: Cross multiply
    1,185,015.07x = 1,777,102.48 × 426,653.11
  4. Step 4: Simplify right side
    1,185,015.07x = 758,206,299,880.71
  5. Step 5: Solve for x
    x = 758,206,299,880.71/1,185,015.07
  6. Step 6: Final answer
    x = 639,828.40

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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.