Home / 1,261,267.20-1,891,900.80-374,803.20

Finding the Fourth Proportional to 1,261,267.20, 1,891,900.80 and 374,803.20

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Solution

The fourth proportional to 1,261,267.20, 1,891,900.80 and 374,803.20 is: 562,204.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,267.20 : 1,891,900.80 = 374,803.20 : x
  2. Step 2: Convert to fraction form
    1,261,267.20/1,891,900.80 = 374,803.20/x
  3. Step 3: Cross multiply
    1,261,267.20x = 1,891,900.80 × 374,803.20
  4. Step 4: Simplify right side
    1,261,267.20x = 709,090,473,922.56
  5. Step 5: Solve for x
    x = 709,090,473,922.56/1,261,267.20
  6. Step 6: Final answer
    x = 562,204.80

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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.