Home / 1,332,699.99-1,999,048.42-434,140.28

Finding the Fourth Proportional to 1,332,699.99, 1,999,048.42 and 434,140.28

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Solution

The fourth proportional to 1,332,699.99, 1,999,048.42 and 434,140.28 is: 651,209.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,699.99 : 1,999,048.42 = 434,140.28 : x
  2. Step 2: Convert to fraction form
    1,332,699.99/1,999,048.42 = 434,140.28/x
  3. Step 3: Cross multiply
    1,332,699.99x = 1,999,048.42 × 434,140.28
  4. Step 4: Simplify right side
    1,332,699.99x = 867,867,440,792.36
  5. Step 5: Solve for x
    x = 867,867,440,792.36/1,332,699.99
  6. Step 6: Final answer
    x = 651,209.91

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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.