Home / 1,424,577-2,136,865.50-427,305

Finding the Fourth Proportional to 1,424,577, 2,136,865.50 and 427,305

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Solution

The fourth proportional to 1,424,577, 2,136,865.50 and 427,305 is: 640,957.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,577 : 2,136,865.50 = 427,305 : x
  2. Step 2: Convert to fraction form
    1,424,577/2,136,865.50 = 427,305/x
  3. Step 3: Cross multiply
    1,424,577x = 2,136,865.50 × 427,305
  4. Step 4: Simplify right side
    1,424,577x = 913,093,312,477.50
  5. Step 5: Solve for x
    x = 913,093,312,477.50/1,424,577
  6. Step 6: Final answer
    x = 640,957.50

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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.