Home / 1,254,745.84-1,731,545.76-681,788

Finding the Fourth Proportional to 1,254,745.84, 1,731,545.76 and 681,788

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Solution

The fourth proportional to 1,254,745.84, 1,731,545.76 and 681,788 is: 940,865.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,745.84 : 1,731,545.76 = 681,788 : x
  2. Step 2: Convert to fraction form
    1,254,745.84/1,731,545.76 = 681,788/x
  3. Step 3: Cross multiply
    1,254,745.84x = 1,731,545.76 × 681,788
  4. Step 4: Simplify right side
    1,254,745.84x = 1,180,547,120,618.88
  5. Step 5: Solve for x
    x = 1,180,547,120,618.88/1,254,745.84
  6. Step 6: Final answer
    x = 940,865.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.