Home / 1,051,177.23-1,576,437.80-691,328.25

Finding the Fourth Proportional to 1,051,177.23, 1,576,437.80 and 691,328.25

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Solution

The fourth proportional to 1,051,177.23, 1,576,437.80 and 691,328.25 is: 1,036,776.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,177.23 : 1,576,437.80 = 691,328.25 : x
  2. Step 2: Convert to fraction form
    1,051,177.23/1,576,437.80 = 691,328.25/x
  3. Step 3: Cross multiply
    1,051,177.23x = 1,576,437.80 × 691,328.25
  4. Step 4: Simplify right side
    1,051,177.23x = 1,089,835,982,051.21
  5. Step 5: Solve for x
    x = 1,089,835,982,051.21/1,051,177.23
  6. Step 6: Final answer
    x = 1,036,776.63

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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.