Home / 1,355,045.56-1,869,969.18-751,433.56

Finding the Fourth Proportional to 1,355,045.56, 1,869,969.18 and 751,433.56

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Solution

The fourth proportional to 1,355,045.56, 1,869,969.18 and 751,433.56 is: 1,036,981.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,045.56 : 1,869,969.18 = 751,433.56 : x
  2. Step 2: Convert to fraction form
    1,355,045.56/1,869,969.18 = 751,433.56/x
  3. Step 3: Cross multiply
    1,355,045.56x = 1,869,969.18 × 751,433.56
  4. Step 4: Simplify right side
    1,355,045.56x = 1,405,157,598,017.68
  5. Step 5: Solve for x
    x = 1,405,157,598,017.68/1,355,045.56
  6. Step 6: Final answer
    x = 1,036,981.81

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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.