Home / 1,362,492.82-1,880,240.61-789,864.94

Finding the Fourth Proportional to 1,362,492.82, 1,880,240.61 and 789,864.94

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Solution

The fourth proportional to 1,362,492.82, 1,880,240.61 and 789,864.94 is: 1,090,013.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,492.82 : 1,880,240.61 = 789,864.94 : x
  2. Step 2: Convert to fraction form
    1,362,492.82/1,880,240.61 = 789,864.94/x
  3. Step 3: Cross multiply
    1,362,492.82x = 1,880,240.61 × 789,864.94
  4. Step 4: Simplify right side
    1,362,492.82x = 1,485,136,136,603.21
  5. Step 5: Solve for x
    x = 1,485,136,136,603.21/1,362,492.82
  6. Step 6: Final answer
    x = 1,090,013.92

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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.