Home / 1,470,628.80-2,203,610.40-971,409.60

Finding the Fourth Proportional to 1,470,628.80, 2,203,610.40 and 971,409.60

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Solution

The fourth proportional to 1,470,628.80, 2,203,610.40 and 971,409.60 is: 1,455,573.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,628.80 : 2,203,610.40 = 971,409.60 : x
  2. Step 2: Convert to fraction form
    1,470,628.80/2,203,610.40 = 971,409.60/x
  3. Step 3: Cross multiply
    1,470,628.80x = 2,203,610.40 × 971,409.60
  4. Step 4: Simplify right side
    1,470,628.80x = 2,140,608,297,219.84
  5. Step 5: Solve for x
    x = 2,140,608,297,219.84/1,470,628.80
  6. Step 6: Final answer
    x = 1,455,573.49

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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.