Home / 1,790,400.80-2,470,784.46-974,627.84

Finding the Fourth Proportional to 1,790,400.80, 2,470,784.46 and 974,627.84

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Solution

The fourth proportional to 1,790,400.80, 2,470,784.46 and 974,627.84 is: 1,345,003.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,400.80 : 2,470,784.46 = 974,627.84 : x
  2. Step 2: Convert to fraction form
    1,790,400.80/2,470,784.46 = 974,627.84/x
  3. Step 3: Cross multiply
    1,790,400.80x = 2,470,784.46 × 974,627.84
  4. Step 4: Simplify right side
    1,790,400.80x = 2,408,095,321,355.37
  5. Step 5: Solve for x
    x = 2,408,095,321,355.37/1,790,400.80
  6. Step 6: Final answer
    x = 1,345,003.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.