Home / 1,289,343.89-1,934,013.71-342,714.62

Finding the Fourth Proportional to 1,289,343.89, 1,934,013.71 and 342,714.62

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Solution

The fourth proportional to 1,289,343.89, 1,934,013.71 and 342,714.62 is: 514,071.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,343.89 : 1,934,013.71 = 342,714.62 : x
  2. Step 2: Convert to fraction form
    1,289,343.89/1,934,013.71 = 342,714.62/x
  3. Step 3: Cross multiply
    1,289,343.89x = 1,934,013.71 × 342,714.62
  4. Step 4: Simplify right side
    1,289,343.89x = 662,814,764,884.16
  5. Step 5: Solve for x
    x = 662,814,764,884.16/1,289,343.89
  6. Step 6: Final answer
    x = 514,071.36

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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.