Home / 1,208,717.29-1,812,878.75-355,589.35

Finding the Fourth Proportional to 1,208,717.29, 1,812,878.75 and 355,589.35

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Solution

The fourth proportional to 1,208,717.29, 1,812,878.75 and 355,589.35 is: 533,326.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,717.29 : 1,812,878.75 = 355,589.35 : x
  2. Step 2: Convert to fraction form
    1,208,717.29/1,812,878.75 = 355,589.35/x
  3. Step 3: Cross multiply
    1,208,717.29x = 1,812,878.75 × 355,589.35
  4. Step 4: Simplify right side
    1,208,717.29x = 644,640,365,498.97
  5. Step 5: Solve for x
    x = 644,640,365,498.97/1,208,717.29
  6. Step 6: Final answer
    x = 533,326.01

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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.