Home / 1,277,492.40-1,910,486.78-1,136,168.46

Finding the Fourth Proportional to 1,277,492.40, 1,910,486.78 and 1,136,168.46

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Solution

The fourth proportional to 1,277,492.40, 1,910,486.78 and 1,136,168.46 is: 1,699,137.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,492.40 : 1,910,486.78 = 1,136,168.46 : x
  2. Step 2: Convert to fraction form
    1,277,492.40/1,910,486.78 = 1,136,168.46/x
  3. Step 3: Cross multiply
    1,277,492.40x = 1,910,486.78 × 1,136,168.46
  4. Step 4: Simplify right side
    1,277,492.40x = 2,170,634,822,682.96
  5. Step 5: Solve for x
    x = 2,170,634,822,682.96/1,277,492.40
  6. Step 6: Final answer
    x = 1,699,137.17

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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.