Home / 1,239,703.67-1,858,706.57-631,314.32

Finding the Fourth Proportional to 1,239,703.67, 1,858,706.57 and 631,314.32

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Solution

The fourth proportional to 1,239,703.67, 1,858,706.57 and 631,314.32 is: 946,539.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,703.67 : 1,858,706.57 = 631,314.32 : x
  2. Step 2: Convert to fraction form
    1,239,703.67/1,858,706.57 = 631,314.32/x
  3. Step 3: Cross multiply
    1,239,703.67x = 1,858,706.57 × 631,314.32
  4. Step 4: Simplify right side
    1,239,703.67x = 1,173,428,061,868.98
  5. Step 5: Solve for x
    x = 1,173,428,061,868.98/1,239,703.67
  6. Step 6: Final answer
    x = 946,539.16

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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.