Home / 1,318,892.95-1,820,169.93-738,174.34

Finding the Fourth Proportional to 1,318,892.95, 1,820,169.93 and 738,174.34

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Solution

The fourth proportional to 1,318,892.95, 1,820,169.93 and 738,174.34 is: 1,018,735.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,892.95 : 1,820,169.93 = 738,174.34 : x
  2. Step 2: Convert to fraction form
    1,318,892.95/1,820,169.93 = 738,174.34/x
  3. Step 3: Cross multiply
    1,318,892.95x = 1,820,169.93 × 738,174.34
  4. Step 4: Simplify right side
    1,318,892.95x = 1,343,602,736,765.60
  5. Step 5: Solve for x
    x = 1,343,602,736,765.60/1,318,892.95
  6. Step 6: Final answer
    x = 1,018,735.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.