Home / 1,355,285.72-2,032,274.64-786,809.96

Finding the Fourth Proportional to 1,355,285.72, 2,032,274.64 and 786,809.96

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Solution

The fourth proportional to 1,355,285.72, 2,032,274.64 and 786,809.96 is: 1,179,835.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,285.72 : 2,032,274.64 = 786,809.96 : x
  2. Step 2: Convert to fraction form
    1,355,285.72/2,032,274.64 = 786,809.96/x
  3. Step 3: Cross multiply
    1,355,285.72x = 2,032,274.64 × 786,809.96
  4. Step 4: Simplify right side
    1,355,285.72x = 1,599,013,928,207.41
  5. Step 5: Solve for x
    x = 1,599,013,928,207.41/1,355,285.72
  6. Step 6: Final answer
    x = 1,179,835.30

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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.