Home / 1,276,072.08-1,914,992.13-507,491.03

Finding the Fourth Proportional to 1,276,072.08, 1,914,992.13 and 507,491.03

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Solution

The fourth proportional to 1,276,072.08, 1,914,992.13 and 507,491.03 is: 761,588.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,072.08 : 1,914,992.13 = 507,491.03 : x
  2. Step 2: Convert to fraction form
    1,276,072.08/1,914,992.13 = 507,491.03/x
  3. Step 3: Cross multiply
    1,276,072.08x = 1,914,992.13 × 507,491.03
  4. Step 4: Simplify right side
    1,276,072.08x = 971,841,318,920.63
  5. Step 5: Solve for x
    x = 971,841,318,920.63/1,276,072.08
  6. Step 6: Final answer
    x = 761,588.11

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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.