Home / 1,090,160.60-1,635,240.90-670,256.60

Finding the Fourth Proportional to 1,090,160.60, 1,635,240.90 and 670,256.60

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Solution

The fourth proportional to 1,090,160.60, 1,635,240.90 and 670,256.60 is: 1,005,384.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,160.60 : 1,635,240.90 = 670,256.60 : x
  2. Step 2: Convert to fraction form
    1,090,160.60/1,635,240.90 = 670,256.60/x
  3. Step 3: Cross multiply
    1,090,160.60x = 1,635,240.90 × 670,256.60
  4. Step 4: Simplify right side
    1,090,160.60x = 1,096,031,005,814.94
  5. Step 5: Solve for x
    x = 1,096,031,005,814.94/1,090,160.60
  6. Step 6: Final answer
    x = 1,005,384.90

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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.