Home / 1,579,281.22-2,179,408.08-854,128.94

Finding the Fourth Proportional to 1,579,281.22, 2,179,408.08 and 854,128.94

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Solution

The fourth proportional to 1,579,281.22, 2,179,408.08 and 854,128.94 is: 1,178,697.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,281.22 : 2,179,408.08 = 854,128.94 : x
  2. Step 2: Convert to fraction form
    1,579,281.22/2,179,408.08 = 854,128.94/x
  3. Step 3: Cross multiply
    1,579,281.22x = 2,179,408.08 × 854,128.94
  4. Step 4: Simplify right side
    1,579,281.22x = 1,861,495,502,300.80
  5. Step 5: Solve for x
    x = 1,861,495,502,300.80/1,579,281.22
  6. Step 6: Final answer
    x = 1,178,697.93

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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.