Home / 1,183,788.49-1,632,538.65-775,742.13

Finding the Fourth Proportional to 1,183,788.49, 1,632,538.65 and 775,742.13

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Solution

The fourth proportional to 1,183,788.49, 1,632,538.65 and 775,742.13 is: 1,069,810.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,788.49 : 1,632,538.65 = 775,742.13 : x
  2. Step 2: Convert to fraction form
    1,183,788.49/1,632,538.65 = 775,742.13/x
  3. Step 3: Cross multiply
    1,183,788.49x = 1,632,538.65 × 775,742.13
  4. Step 4: Simplify right side
    1,183,788.49x = 1,266,429,009,658.32
  5. Step 5: Solve for x
    x = 1,266,429,009,658.32/1,183,788.49
  6. Step 6: Final answer
    x = 1,069,810.21

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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.