Home / 1,423,962.75-2,136,294.06-426,690.75

Finding the Fourth Proportional to 1,423,962.75, 2,136,294.06 and 426,690.75

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Solution

The fourth proportional to 1,423,962.75, 2,136,294.06 and 426,690.75 is: 640,140.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,962.75 : 2,136,294.06 = 426,690.75 : x
  2. Step 2: Convert to fraction form
    1,423,962.75/2,136,294.06 = 426,690.75/x
  3. Step 3: Cross multiply
    1,423,962.75x = 2,136,294.06 × 426,690.75
  4. Step 4: Simplify right side
    1,423,962.75x = 911,536,914,681.95
  5. Step 5: Solve for x
    x = 911,536,914,681.95/1,423,962.75
  6. Step 6: Final answer
    x = 640,140.98

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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.