Home / 1,089,564.12-1,502,747.64-928,950.84

Finding the Fourth Proportional to 1,089,564.12, 1,502,747.64 and 928,950.84

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Solution

The fourth proportional to 1,089,564.12, 1,502,747.64 and 928,950.84 is: 1,281,226.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,564.12 : 1,502,747.64 = 928,950.84 : x
  2. Step 2: Convert to fraction form
    1,089,564.12/1,502,747.64 = 928,950.84/x
  3. Step 3: Cross multiply
    1,089,564.12x = 1,502,747.64 × 928,950.84
  4. Step 4: Simplify right side
    1,089,564.12x = 1,395,978,682,486.02
  5. Step 5: Solve for x
    x = 1,395,978,682,486.02/1,089,564.12
  6. Step 6: Final answer
    x = 1,281,226.74

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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.