Home / 1,072,984.08-1,609,476.69-398,977.80

Finding the Fourth Proportional to 1,072,984.08, 1,609,476.69 and 398,977.80

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Solution

The fourth proportional to 1,072,984.08, 1,609,476.69 and 398,977.80 is: 598,466.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,984.08 : 1,609,476.69 = 398,977.80 : x
  2. Step 2: Convert to fraction form
    1,072,984.08/1,609,476.69 = 398,977.80/x
  3. Step 3: Cross multiply
    1,072,984.08x = 1,609,476.69 × 398,977.80
  4. Step 4: Simplify right side
    1,072,984.08x = 642,145,472,319.29
  5. Step 5: Solve for x
    x = 642,145,472,319.29/1,072,984.08
  6. Step 6: Final answer
    x = 598,466.92

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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.