Home / 1,332,698.85-1,999,046.74-434,139.15

Finding the Fourth Proportional to 1,332,698.85, 1,999,046.74 and 434,139.15

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Solution

The fourth proportional to 1,332,698.85, 1,999,046.74 and 434,139.15 is: 651,208.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,698.85 : 1,999,046.74 = 434,139.15 : x
  2. Step 2: Convert to fraction form
    1,332,698.85/1,999,046.74 = 434,139.15/x
  3. Step 3: Cross multiply
    1,332,698.85x = 1,999,046.74 × 434,139.15
  4. Step 4: Simplify right side
    1,332,698.85x = 867,864,452,513.87
  5. Step 5: Solve for x
    x = 867,864,452,513.87/1,332,698.85
  6. Step 6: Final answer
    x = 651,208.22

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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.