Home / 1,448,867.70-2,173,301.55-909,990.90

Finding the Fourth Proportional to 1,448,867.70, 2,173,301.55 and 909,990.90

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Solution

The fourth proportional to 1,448,867.70, 2,173,301.55 and 909,990.90 is: 1,364,986.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,867.70 : 2,173,301.55 = 909,990.90 : x
  2. Step 2: Convert to fraction form
    1,448,867.70/2,173,301.55 = 909,990.90/x
  3. Step 3: Cross multiply
    1,448,867.70x = 2,173,301.55 × 909,990.90
  4. Step 4: Simplify right side
    1,448,867.70x = 1,977,684,633,455.89
  5. Step 5: Solve for x
    x = 1,977,684,633,455.89/1,448,867.70
  6. Step 6: Final answer
    x = 1,364,986.35

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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.