Home / 756,037.20-1,134,055.80-679,054.80

Finding the Fourth Proportional to 756,037.20, 1,134,055.80 and 679,054.80

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Solution

The fourth proportional to 756,037.20, 1,134,055.80 and 679,054.80 is: 1,018,582.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,037.20 : 1,134,055.80 = 679,054.80 : x
  2. Step 2: Convert to fraction form
    756,037.20/1,134,055.80 = 679,054.80/x
  3. Step 3: Cross multiply
    756,037.20x = 1,134,055.80 × 679,054.80
  4. Step 4: Simplify right side
    756,037.20x = 770,086,034,457.84
  5. Step 5: Solve for x
    x = 770,086,034,457.84/756,037.20
  6. Step 6: Final answer
    x = 1,018,582.20

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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.