Home / 1,424,152.96-2,136,578.88-426,880

Finding the Fourth Proportional to 1,424,152.96, 2,136,578.88 and 426,880

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Solution

The fourth proportional to 1,424,152.96, 2,136,578.88 and 426,880 is: 640,424.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,152.96 : 2,136,578.88 = 426,880 : x
  2. Step 2: Convert to fraction form
    1,424,152.96/2,136,578.88 = 426,880/x
  3. Step 3: Cross multiply
    1,424,152.96x = 2,136,578.88 × 426,880
  4. Step 4: Simplify right side
    1,424,152.96x = 912,062,792,294.40
  5. Step 5: Solve for x
    x = 912,062,792,294.40/1,424,152.96
  6. Step 6: Final answer
    x = 640,424.74

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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.