Home / 1,512,702.79-2,087,469.07-824,359.89

Finding the Fourth Proportional to 1,512,702.79, 2,087,469.07 and 824,359.89

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Solution

The fourth proportional to 1,512,702.79, 2,087,469.07 and 824,359.89 is: 1,137,583.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,702.79 : 2,087,469.07 = 824,359.89 : x
  2. Step 2: Convert to fraction form
    1,512,702.79/2,087,469.07 = 824,359.89/x
  3. Step 3: Cross multiply
    1,512,702.79x = 2,087,469.07 × 824,359.89
  4. Step 4: Simplify right side
    1,512,702.79x = 1,720,825,772,923.60
  5. Step 5: Solve for x
    x = 1,720,825,772,923.60/1,512,702.79
  6. Step 6: Final answer
    x = 1,137,583.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.