Home / 1,420,664.94-1,960,492.95-776,068.56

Finding the Fourth Proportional to 1,420,664.94, 1,960,492.95 and 776,068.56

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Solution

The fourth proportional to 1,420,664.94, 1,960,492.95 and 776,068.56 is: 1,070,961.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,664.94 : 1,960,492.95 = 776,068.56 : x
  2. Step 2: Convert to fraction form
    1,420,664.94/1,960,492.95 = 776,068.56/x
  3. Step 3: Cross multiply
    1,420,664.94x = 1,960,492.95 × 776,068.56
  4. Step 4: Simplify right side
    1,420,664.94x = 1,521,476,940,596.65
  5. Step 5: Solve for x
    x = 1,521,476,940,596.65/1,420,664.94
  6. Step 6: Final answer
    x = 1,070,961.14

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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.