Home / 1,010,412.06-1,393,763.67-738,147.30

Finding the Fourth Proportional to 1,010,412.06, 1,393,763.67 and 738,147.30

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Solution

The fourth proportional to 1,010,412.06, 1,393,763.67 and 738,147.30 is: 1,018,201.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,412.06 : 1,393,763.67 = 738,147.30 : x
  2. Step 2: Convert to fraction form
    1,010,412.06/1,393,763.67 = 738,147.30/x
  3. Step 3: Cross multiply
    1,010,412.06x = 1,393,763.67 × 738,147.30
  4. Step 4: Simplify right side
    1,010,412.06x = 1,028,802,889,848.59
  5. Step 5: Solve for x
    x = 1,028,802,889,848.59/1,010,412.06
  6. Step 6: Final answer
    x = 1,018,201.32

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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.