Home / 1,515,476.36-2,091,353.10-836,408

Finding the Fourth Proportional to 1,515,476.36, 2,091,353.10 and 836,408

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Solution

The fourth proportional to 1,515,476.36, 2,091,353.10 and 836,408 is: 1,154,240.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,476.36 : 2,091,353.10 = 836,408 : x
  2. Step 2: Convert to fraction form
    1,515,476.36/2,091,353.10 = 836,408/x
  3. Step 3: Cross multiply
    1,515,476.36x = 2,091,353.10 × 836,408
  4. Step 4: Simplify right side
    1,515,476.36x = 1,749,224,463,664.80
  5. Step 5: Solve for x
    x = 1,749,224,463,664.80/1,515,476.36
  6. Step 6: Final answer
    x = 1,154,240.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.