Home / 1,260,603.40-1,887,405.90-1,225,611.40

Finding the Fourth Proportional to 1,260,603.40, 1,887,405.90 and 1,225,611.40

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Solution

The fourth proportional to 1,260,603.40, 1,887,405.90 and 1,225,611.40 is: 1,835,015.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,603.40 : 1,887,405.90 = 1,225,611.40 : x
  2. Step 2: Convert to fraction form
    1,260,603.40/1,887,405.90 = 1,225,611.40/x
  3. Step 3: Cross multiply
    1,260,603.40x = 1,887,405.90 × 1,225,611.40
  4. Step 4: Simplify right side
    1,260,603.40x = 2,313,226,187,467.26
  5. Step 5: Solve for x
    x = 2,313,226,187,467.26/1,260,603.40
  6. Step 6: Final answer
    x = 1,835,015.03

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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.