Home / 1,091,918.70-1,506,045.60-723,729.96

Finding the Fourth Proportional to 1,091,918.70, 1,506,045.60 and 723,729.96

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Solution

The fourth proportional to 1,091,918.70, 1,506,045.60 and 723,729.96 is: 998,215.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,918.70 : 1,506,045.60 = 723,729.96 : x
  2. Step 2: Convert to fraction form
    1,091,918.70/1,506,045.60 = 723,729.96/x
  3. Step 3: Cross multiply
    1,091,918.70x = 1,506,045.60 × 723,729.96
  4. Step 4: Simplify right side
    1,091,918.70x = 1,089,970,321,846.18
  5. Step 5: Solve for x
    x = 1,089,970,321,846.18/1,091,918.70
  6. Step 6: Final answer
    x = 998,215.64

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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.