Home / 1,384,887.40-2,077,611.90-786,135.40

Finding the Fourth Proportional to 1,384,887.40, 2,077,611.90 and 786,135.40

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Solution

The fourth proportional to 1,384,887.40, 2,077,611.90 and 786,135.40 is: 1,179,362.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,887.40 : 2,077,611.90 = 786,135.40 : x
  2. Step 2: Convert to fraction form
    1,384,887.40/2,077,611.90 = 786,135.40/x
  3. Step 3: Cross multiply
    1,384,887.40x = 2,077,611.90 × 786,135.40
  4. Step 4: Simplify right side
    1,384,887.40x = 1,633,284,262,051.26
  5. Step 5: Solve for x
    x = 1,633,284,262,051.26/1,384,887.40
  6. Step 6: Final answer
    x = 1,179,362.50

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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.