Home / 1,365,870.06-2,048,809.95-419,240.88

Finding the Fourth Proportional to 1,365,870.06, 2,048,809.95 and 419,240.88

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Solution

The fourth proportional to 1,365,870.06, 2,048,809.95 and 419,240.88 is: 628,862.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,870.06 : 2,048,809.95 = 419,240.88 : x
  2. Step 2: Convert to fraction form
    1,365,870.06/2,048,809.95 = 419,240.88/x
  3. Step 3: Cross multiply
    1,365,870.06x = 2,048,809.95 × 419,240.88
  4. Step 4: Simplify right side
    1,365,870.06x = 858,944,886,390.76
  5. Step 5: Solve for x
    x = 858,944,886,390.76/1,365,870.06
  6. Step 6: Final answer
    x = 628,862.81

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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.