Home / 1,868,392.05-2,802,157.95-731,181.21

Finding the Fourth Proportional to 1,868,392.05, 2,802,157.95 and 731,181.21

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Solution

The fourth proportional to 1,868,392.05, 2,802,157.95 and 731,181.21 is: 1,096,603.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,392.05 : 2,802,157.95 = 731,181.21 : x
  2. Step 2: Convert to fraction form
    1,868,392.05/2,802,157.95 = 731,181.21/x
  3. Step 3: Cross multiply
    1,868,392.05x = 2,802,157.95 × 731,181.21
  4. Step 4: Simplify right side
    1,868,392.05x = 2,048,885,240,492.12
  5. Step 5: Solve for x
    x = 2,048,885,240,492.12/1,868,392.05
  6. Step 6: Final answer
    x = 1,096,603.49

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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.