Home / 1,424,549.64-2,136,807.18-427,269

Finding the Fourth Proportional to 1,424,549.64, 2,136,807.18 and 427,269

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Solution

The fourth proportional to 1,424,549.64, 2,136,807.18 and 427,269 is: 640,898.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,549.64 : 2,136,807.18 = 427,269 : x
  2. Step 2: Convert to fraction form
    1,424,549.64/2,136,807.18 = 427,269/x
  3. Step 3: Cross multiply
    1,424,549.64x = 2,136,807.18 × 427,269
  4. Step 4: Simplify right side
    1,424,549.64x = 912,991,466,991.42
  5. Step 5: Solve for x
    x = 912,991,466,991.42/1,424,549.64
  6. Step 6: Final answer
    x = 640,898.32

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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.