Home / 1,503,840.06-2,075,315.39-815,513.25

Finding the Fourth Proportional to 1,503,840.06, 2,075,315.39 and 815,513.25

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Solution

The fourth proportional to 1,503,840.06, 2,075,315.39 and 815,513.25 is: 1,125,417.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,840.06 : 2,075,315.39 = 815,513.25 : x
  2. Step 2: Convert to fraction form
    1,503,840.06/2,075,315.39 = 815,513.25/x
  3. Step 3: Cross multiply
    1,503,840.06x = 2,075,315.39 × 815,513.25
  4. Step 4: Simplify right side
    1,503,840.06x = 1,692,447,198,473.92
  5. Step 5: Solve for x
    x = 1,692,447,198,473.92/1,503,840.06
  6. Step 6: Final answer
    x = 1,125,417.02

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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.