Home / 1,048,638.80-1,571,921.40-416,709.20

Finding the Fourth Proportional to 1,048,638.80, 1,571,921.40 and 416,709.20

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Solution

The fourth proportional to 1,048,638.80, 1,571,921.40 and 416,709.20 is: 624,651.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,638.80 : 1,571,921.40 = 416,709.20 : x
  2. Step 2: Convert to fraction form
    1,048,638.80/1,571,921.40 = 416,709.20/x
  3. Step 3: Cross multiply
    1,048,638.80x = 1,571,921.40 × 416,709.20
  4. Step 4: Simplify right side
    1,048,638.80x = 655,034,109,056.88
  5. Step 5: Solve for x
    x = 655,034,109,056.88/1,048,638.80
  6. Step 6: Final answer
    x = 624,651.80

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1.5x scale

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.