Home / 1,332,698.99-1,999,046.93-434,139.28

Finding the Fourth Proportional to 1,332,698.99, 1,999,046.93 and 434,139.28

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Solution

The fourth proportional to 1,332,698.99, 1,999,046.93 and 434,139.28 is: 651,208.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,698.99 : 1,999,046.93 = 434,139.28 : x
  2. Step 2: Convert to fraction form
    1,332,698.99/1,999,046.93 = 434,139.28/x
  3. Step 3: Cross multiply
    1,332,698.99x = 1,999,046.93 × 434,139.28
  4. Step 4: Simplify right side
    1,332,698.99x = 867,864,787,708.10
  5. Step 5: Solve for x
    x = 867,864,787,708.10/1,332,698.99
  6. Step 6: Final answer
    x = 651,208.41

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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.