Home / 1,433,707.04-1,978,500.03-789,113.43

Finding the Fourth Proportional to 1,433,707.04, 1,978,500.03 and 789,113.43

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Solution

The fourth proportional to 1,433,707.04, 1,978,500.03 and 789,113.43 is: 1,088,967.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,707.04 : 1,978,500.03 = 789,113.43 : x
  2. Step 2: Convert to fraction form
    1,433,707.04/1,978,500.03 = 789,113.43/x
  3. Step 3: Cross multiply
    1,433,707.04x = 1,978,500.03 × 789,113.43
  4. Step 4: Simplify right side
    1,433,707.04x = 1,561,260,944,928.40
  5. Step 5: Solve for x
    x = 1,561,260,944,928.40/1,433,707.04
  6. Step 6: Final answer
    x = 1,088,967.90

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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.