Home / 1,145,275.16-1,717,628.84-387,099.77

Finding the Fourth Proportional to 1,145,275.16, 1,717,628.84 and 387,099.77

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Solution

The fourth proportional to 1,145,275.16, 1,717,628.84 and 387,099.77 is: 580,553.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,275.16 : 1,717,628.84 = 387,099.77 : x
  2. Step 2: Convert to fraction form
    1,145,275.16/1,717,628.84 = 387,099.77/x
  3. Step 3: Cross multiply
    1,145,275.16x = 1,717,628.84 × 387,099.77
  4. Step 4: Simplify right side
    1,145,275.16x = 664,893,718,385.72
  5. Step 5: Solve for x
    x = 664,893,718,385.72/1,145,275.16
  6. Step 6: Final answer
    x = 580,553.69

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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.