Home / 1,420,401.65-1,957,619.40-1,075,410.96

Finding the Fourth Proportional to 1,420,401.65, 1,957,619.40 and 1,075,410.96

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Solution

The fourth proportional to 1,420,401.65, 1,957,619.40 and 1,075,410.96 is: 1,482,147.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,401.65 : 1,957,619.40 = 1,075,410.96 : x
  2. Step 2: Convert to fraction form
    1,420,401.65/1,957,619.40 = 1,075,410.96/x
  3. Step 3: Cross multiply
    1,420,401.65x = 1,957,619.40 × 1,075,410.96
  4. Step 4: Simplify right side
    1,420,401.65x = 2,105,245,358,268.62
  5. Step 5: Solve for x
    x = 2,105,245,358,268.62/1,420,401.65
  6. Step 6: Final answer
    x = 1,482,147.93

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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.