Home / 1,442,647.96-1,991,002.08-830,823.64

Finding the Fourth Proportional to 1,442,647.96, 1,991,002.08 and 830,823.64

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Solution

The fourth proportional to 1,442,647.96, 1,991,002.08 and 830,823.64 is: 1,146,621.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,647.96 : 1,991,002.08 = 830,823.64 : x
  2. Step 2: Convert to fraction form
    1,442,647.96/1,991,002.08 = 830,823.64/x
  3. Step 3: Cross multiply
    1,442,647.96x = 1,991,002.08 × 830,823.64
  4. Step 4: Simplify right side
    1,442,647.96x = 1,654,171,595,353.17
  5. Step 5: Solve for x
    x = 1,654,171,595,353.17/1,442,647.96
  6. Step 6: Final answer
    x = 1,146,621.80

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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.