Home / 1,332,708.40-1,999,061.04-434,148.72

Finding the Fourth Proportional to 1,332,708.40, 1,999,061.04 and 434,148.72

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Solution

The fourth proportional to 1,332,708.40, 1,999,061.04 and 434,148.72 is: 651,222.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,708.40 : 1,999,061.04 = 434,148.72 : x
  2. Step 2: Convert to fraction form
    1,332,708.40/1,999,061.04 = 434,148.72/x
  3. Step 3: Cross multiply
    1,332,708.40x = 1,999,061.04 × 434,148.72
  4. Step 4: Simplify right side
    1,332,708.40x = 867,889,791,717.87
  5. Step 5: Solve for x
    x = 867,889,791,717.87/1,332,708.40
  6. Step 6: Final answer
    x = 651,222.57

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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.