Home / 1,434,395.39-1,979,509.17-789,838.67

Finding the Fourth Proportional to 1,434,395.39, 1,979,509.17 and 789,838.67

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Solution

The fourth proportional to 1,434,395.39, 1,979,509.17 and 789,838.67 is: 1,090,001.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,395.39 : 1,979,509.17 = 789,838.67 : x
  2. Step 2: Convert to fraction form
    1,434,395.39/1,979,509.17 = 789,838.67/x
  3. Step 3: Cross multiply
    1,434,395.39x = 1,979,509.17 × 789,838.67
  4. Step 4: Simplify right side
    1,434,395.39x = 1,563,492,880,188.06
  5. Step 5: Solve for x
    x = 1,563,492,880,188.06/1,434,395.39
  6. Step 6: Final answer
    x = 1,090,001.33

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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.