Home / 1,496,012.60-2,243,800.20-430,943.60

Finding the Fourth Proportional to 1,496,012.60, 2,243,800.20 and 430,943.60

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Solution

The fourth proportional to 1,496,012.60, 2,243,800.20 and 430,943.60 is: 646,352.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,496,012.60 : 2,243,800.20 = 430,943.60 : x
  2. Step 2: Convert to fraction form
    1,496,012.60/2,243,800.20 = 430,943.60/x
  3. Step 3: Cross multiply
    1,496,012.60x = 2,243,800.20 × 430,943.60
  4. Step 4: Simplify right side
    1,496,012.60x = 966,951,335,868.72
  5. Step 5: Solve for x
    x = 966,951,335,868.72/1,496,012.60
  6. Step 6: Final answer
    x = 646,352.40

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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.