Home / 1,580,397.34-2,180,939.70-855,243.94

Finding the Fourth Proportional to 1,580,397.34, 2,180,939.70 and 855,243.94

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Solution

The fourth proportional to 1,580,397.34, 2,180,939.70 and 855,243.94 is: 1,180,231.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,397.34 : 2,180,939.70 = 855,243.94 : x
  2. Step 2: Convert to fraction form
    1,580,397.34/2,180,939.70 = 855,243.94/x
  3. Step 3: Cross multiply
    1,580,397.34x = 2,180,939.70 × 855,243.94
  4. Step 4: Simplify right side
    1,580,397.34x = 1,865,235,461,930.42
  5. Step 5: Solve for x
    x = 1,865,235,461,930.42/1,580,397.34
  6. Step 6: Final answer
    x = 1,180,231.97

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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.