Home / 1,332,731.72-1,999,095.14-434,172.40

Finding the Fourth Proportional to 1,332,731.72, 1,999,095.14 and 434,172.40

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Solution

The fourth proportional to 1,332,731.72, 1,999,095.14 and 434,172.40 is: 651,257.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,731.72 : 1,999,095.14 = 434,172.40 : x
  2. Step 2: Convert to fraction form
    1,332,731.72/1,999,095.14 = 434,172.40/x
  3. Step 3: Cross multiply
    1,332,731.72x = 1,999,095.14 × 434,172.40
  4. Step 4: Simplify right side
    1,332,731.72x = 867,951,934,762.14
  5. Step 5: Solve for x
    x = 867,951,934,762.14/1,332,731.72
  6. Step 6: Final answer
    x = 651,257.81

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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.