Home / 1,332,689.96-1,999,033.32-434,130.23

Finding the Fourth Proportional to 1,332,689.96, 1,999,033.32 and 434,130.23

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Solution

The fourth proportional to 1,332,689.96, 1,999,033.32 and 434,130.23 is: 651,194.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,689.96 : 1,999,033.32 = 434,130.23 : x
  2. Step 2: Convert to fraction form
    1,332,689.96/1,999,033.32 = 434,130.23/x
  3. Step 3: Cross multiply
    1,332,689.96x = 1,999,033.32 × 434,130.23
  4. Step 4: Simplify right side
    1,332,689.96x = 867,840,794,989.26
  5. Step 5: Solve for x
    x = 867,840,794,989.26/1,332,689.96
  6. Step 6: Final answer
    x = 651,194.82

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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.