Home / 1,072,291.20-1,480,094.04-690,318

Finding the Fourth Proportional to 1,072,291.20, 1,480,094.04 and 690,318

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Solution

The fourth proportional to 1,072,291.20, 1,480,094.04 and 690,318 is: 952,852.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,291.20 : 1,480,094.04 = 690,318 : x
  2. Step 2: Convert to fraction form
    1,072,291.20/1,480,094.04 = 690,318/x
  3. Step 3: Cross multiply
    1,072,291.20x = 1,480,094.04 × 690,318
  4. Step 4: Simplify right side
    1,072,291.20x = 1,021,735,557,504.72
  5. Step 5: Solve for x
    x = 1,021,735,557,504.72/1,072,291.20
  6. Step 6: Final answer
    x = 952,852.69

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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.