Home / 1,481,511.80-2,219,643.30-1,255,813.40

Finding the Fourth Proportional to 1,481,511.80, 2,219,643.30 and 1,255,813.40

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Solution

The fourth proportional to 1,481,511.80, 2,219,643.30 and 1,255,813.40 is: 1,881,495.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481,511.80 : 2,219,643.30 = 1,255,813.40 : x
  2. Step 2: Convert to fraction form
    1,481,511.80/2,219,643.30 = 1,255,813.40/x
  3. Step 3: Cross multiply
    1,481,511.80x = 2,219,643.30 × 1,255,813.40
  4. Step 4: Simplify right side
    1,481,511.80x = 2,787,457,799,360.22
  5. Step 5: Solve for x
    x = 2,787,457,799,360.22/1,481,511.80
  6. Step 6: Final answer
    x = 1,881,495.51

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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.