Home / 1,377,981.06-2,066,511.69-579,113.70

Finding the Fourth Proportional to 1,377,981.06, 2,066,511.69 and 579,113.70

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Solution

The fourth proportional to 1,377,981.06, 2,066,511.69 and 579,113.70 is: 868,477.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,981.06 : 2,066,511.69 = 579,113.70 : x
  2. Step 2: Convert to fraction form
    1,377,981.06/2,066,511.69 = 579,113.70/x
  3. Step 3: Cross multiply
    1,377,981.06x = 2,066,511.69 × 579,113.70
  4. Step 4: Simplify right side
    1,377,981.06x = 1,196,745,230,889.15
  5. Step 5: Solve for x
    x = 1,196,745,230,889.15/1,377,981.06
  6. Step 6: Final answer
    x = 868,477.27

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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.