Home / 1,848,318.60-2,772,089.10-783,395.40

Finding the Fourth Proportional to 1,848,318.60, 2,772,089.10 and 783,395.40

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Solution

The fourth proportional to 1,848,318.60, 2,772,089.10 and 783,395.40 is: 1,174,928.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848,318.60 : 2,772,089.10 = 783,395.40 : x
  2. Step 2: Convert to fraction form
    1,848,318.60/2,772,089.10 = 783,395.40/x
  3. Step 3: Cross multiply
    1,848,318.60x = 2,772,089.10 × 783,395.40
  4. Step 4: Simplify right side
    1,848,318.60x = 2,171,641,849,330.14
  5. Step 5: Solve for x
    x = 2,171,641,849,330.14/1,848,318.60
  6. Step 6: Final answer
    x = 1,174,928.31

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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.