Home / 1,515,000.36-2,272,111.74-449,795.28

Finding the Fourth Proportional to 1,515,000.36, 2,272,111.74 and 449,795.28

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Solution

The fourth proportional to 1,515,000.36, 2,272,111.74 and 449,795.28 is: 674,577.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,000.36 : 2,272,111.74 = 449,795.28 : x
  2. Step 2: Convert to fraction form
    1,515,000.36/2,272,111.74 = 449,795.28/x
  3. Step 3: Cross multiply
    1,515,000.36x = 2,272,111.74 × 449,795.28
  4. Step 4: Simplify right side
    1,515,000.36x = 1,021,985,136,284.59
  5. Step 5: Solve for x
    x = 1,021,985,136,284.59/1,515,000.36
  6. Step 6: Final answer
    x = 674,577.49

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1.5x scale

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.