Home / 1,503,765.74-2,075,306.56-859,172.16

Finding the Fourth Proportional to 1,503,765.74, 2,075,306.56 and 859,172.16

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Solution

The fourth proportional to 1,503,765.74, 2,075,306.56 and 859,172.16 is: 1,185,720.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,765.74 : 2,075,306.56 = 859,172.16 : x
  2. Step 2: Convert to fraction form
    1,503,765.74/2,075,306.56 = 859,172.16/x
  3. Step 3: Cross multiply
    1,503,765.74x = 2,075,306.56 × 859,172.16
  4. Step 4: Simplify right side
    1,503,765.74x = 1,783,045,619,817.37
  5. Step 5: Solve for x
    x = 1,783,045,619,817.37/1,503,765.74
  6. Step 6: Final answer
    x = 1,185,720.34

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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.