Home / 1,237,102.89-1,855,586.90-338,479.80

Finding the Fourth Proportional to 1,237,102.89, 1,855,586.90 and 338,479.80

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Solution

The fourth proportional to 1,237,102.89, 1,855,586.90 and 338,479.80 is: 507,701.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,102.89 : 1,855,586.90 = 338,479.80 : x
  2. Step 2: Convert to fraction form
    1,237,102.89/1,855,586.90 = 338,479.80/x
  3. Step 3: Cross multiply
    1,237,102.89x = 1,855,586.90 × 338,479.80
  4. Step 4: Simplify right side
    1,237,102.89x = 628,078,671,824.29
  5. Step 5: Solve for x
    x = 628,078,671,824.29/1,237,102.89
  6. Step 6: Final answer
    x = 507,701.24

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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.