Home / 1,197,130.40-1,793,362.80-722,405.60

Finding the Fourth Proportional to 1,197,130.40, 1,793,362.80 and 722,405.60

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Solution

The fourth proportional to 1,197,130.40, 1,793,362.80 and 722,405.60 is: 1,082,200.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,130.40 : 1,793,362.80 = 722,405.60 : x
  2. Step 2: Convert to fraction form
    1,197,130.40/1,793,362.80 = 722,405.60/x
  3. Step 3: Cross multiply
    1,197,130.40x = 1,793,362.80 × 722,405.60
  4. Step 4: Simplify right side
    1,197,130.40x = 1,295,535,329,551.68
  5. Step 5: Solve for x
    x = 1,295,535,329,551.68/1,197,130.40
  6. Step 6: Final answer
    x = 1,082,200.68

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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.