Home / 1,312,533.70-1,968,911.72-365,905.32

Finding the Fourth Proportional to 1,312,533.70, 1,968,911.72 and 365,905.32

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Solution

The fourth proportional to 1,312,533.70, 1,968,911.72 and 365,905.32 is: 548,888.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,533.70 : 1,968,911.72 = 365,905.32 : x
  2. Step 2: Convert to fraction form
    1,312,533.70/1,968,911.72 = 365,905.32/x
  3. Step 3: Cross multiply
    1,312,533.70x = 1,968,911.72 × 365,905.32
  4. Step 4: Simplify right side
    1,312,533.70x = 720,435,272,958.35
  5. Step 5: Solve for x
    x = 720,435,272,958.35/1,312,533.70
  6. Step 6: Final answer
    x = 548,888.97

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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.