Home / 1,049,870.80-1,448,821.32-572,942.80

Finding the Fourth Proportional to 1,049,870.80, 1,448,821.32 and 572,942.80

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Solution

The fourth proportional to 1,049,870.80, 1,448,821.32 and 572,942.80 is: 790,660.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,870.80 : 1,448,821.32 = 572,942.80 : x
  2. Step 2: Convert to fraction form
    1,049,870.80/1,448,821.32 = 572,942.80/x
  3. Step 3: Cross multiply
    1,049,870.80x = 1,448,821.32 × 572,942.80
  4. Step 4: Simplify right side
    1,049,870.80x = 830,091,743,780.50
  5. Step 5: Solve for x
    x = 830,091,743,780.50/1,049,870.80
  6. Step 6: Final answer
    x = 790,660.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.