Home / 1,379,074.77-2,070,549.78-705,639.15

Finding the Fourth Proportional to 1,379,074.77, 2,070,549.78 and 705,639.15

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Solution

The fourth proportional to 1,379,074.77, 2,070,549.78 and 705,639.15 is: 1,059,450.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,074.77 : 2,070,549.78 = 705,639.15 : x
  2. Step 2: Convert to fraction form
    1,379,074.77/2,070,549.78 = 705,639.15/x
  3. Step 3: Cross multiply
    1,379,074.77x = 2,070,549.78 × 705,639.15
  4. Step 4: Simplify right side
    1,379,074.77x = 1,461,060,986,791.89
  5. Step 5: Solve for x
    x = 1,461,060,986,791.89/1,379,074.77
  6. Step 6: Final answer
    x = 1,059,450.16

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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.