Home / 1,118,126.05-1,677,189.08-996,820.45

Finding the Fourth Proportional to 1,118,126.05, 1,677,189.08 and 996,820.45

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Solution

The fourth proportional to 1,118,126.05, 1,677,189.08 and 996,820.45 is: 1,495,230.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,126.05 : 1,677,189.08 = 996,820.45 : x
  2. Step 2: Convert to fraction form
    1,118,126.05/1,677,189.08 = 996,820.45/x
  3. Step 3: Cross multiply
    1,118,126.05x = 1,677,189.08 × 996,820.45
  4. Step 4: Simplify right side
    1,118,126.05x = 1,671,856,373,460.69
  5. Step 5: Solve for x
    x = 1,671,856,373,460.69/1,118,126.05
  6. Step 6: Final answer
    x = 1,495,230.68

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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.