Home / 980,880-1,462,736.40-971,911.68

Finding the Fourth Proportional to 980,880, 1,462,736.40 and 971,911.68

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Solution

The fourth proportional to 980,880, 1,462,736.40 and 971,911.68 is: 1,449,362.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,880 : 1,462,736.40 = 971,911.68 : x
  2. Step 2: Convert to fraction form
    980,880/1,462,736.40 = 971,911.68/x
  3. Step 3: Cross multiply
    980,880x = 1,462,736.40 × 971,911.68
  4. Step 4: Simplify right side
    980,880x = 1,421,650,591,921.15
  5. Step 5: Solve for x
    x = 1,421,650,591,921.15/980,880
  6. Step 6: Final answer
    x = 1,449,362.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.