Home / 1,111,240.40-1,666,860.60-1,093,525.70

Finding the Fourth Proportional to 1,111,240.40, 1,666,860.60 and 1,093,525.70

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Solution

The fourth proportional to 1,111,240.40, 1,666,860.60 and 1,093,525.70 is: 1,640,288.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,240.40 : 1,666,860.60 = 1,093,525.70 : x
  2. Step 2: Convert to fraction form
    1,111,240.40/1,666,860.60 = 1,093,525.70/x
  3. Step 3: Cross multiply
    1,111,240.40x = 1,666,860.60 × 1,093,525.70
  4. Step 4: Simplify right side
    1,111,240.40x = 1,822,754,904,417.42
  5. Step 5: Solve for x
    x = 1,822,754,904,417.42/1,111,240.40
  6. Step 6: Final answer
    x = 1,640,288.55

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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.