Home / 1,332,881.40-1,999,322.10-998,270.40

Finding the Fourth Proportional to 1,332,881.40, 1,999,322.10 and 998,270.40

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Solution

The fourth proportional to 1,332,881.40, 1,999,322.10 and 998,270.40 is: 1,497,405.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,881.40 : 1,999,322.10 = 998,270.40 : x
  2. Step 2: Convert to fraction form
    1,332,881.40/1,999,322.10 = 998,270.40/x
  3. Step 3: Cross multiply
    1,332,881.40x = 1,999,322.10 × 998,270.40
  4. Step 4: Simplify right side
    1,332,881.40x = 1,995,864,072,495.84
  5. Step 5: Solve for x
    x = 1,995,864,072,495.84/1,332,881.40
  6. Step 6: Final answer
    x = 1,497,405.60

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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.