Home / 1,455,631.60-2,183,447.40-886,428.40

Finding the Fourth Proportional to 1,455,631.60, 2,183,447.40 and 886,428.40

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Solution

The fourth proportional to 1,455,631.60, 2,183,447.40 and 886,428.40 is: 1,329,642.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,631.60 : 2,183,447.40 = 886,428.40 : x
  2. Step 2: Convert to fraction form
    1,455,631.60/2,183,447.40 = 886,428.40/x
  3. Step 3: Cross multiply
    1,455,631.60x = 2,183,447.40 × 886,428.40
  4. Step 4: Simplify right side
    1,455,631.60x = 1,935,469,785,266.16
  5. Step 5: Solve for x
    x = 1,935,469,785,266.16/1,455,631.60
  6. Step 6: Final answer
    x = 1,329,642.60

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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.