Home / 1,120,608.41-1,672,172.53-999,835.16

Finding the Fourth Proportional to 1,120,608.41, 1,672,172.53 and 999,835.16

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Solution

The fourth proportional to 1,120,608.41, 1,672,172.53 and 999,835.16 is: 1,491,954.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,608.41 : 1,672,172.53 = 999,835.16 : x
  2. Step 2: Convert to fraction form
    1,120,608.41/1,672,172.53 = 999,835.16/x
  3. Step 3: Cross multiply
    1,120,608.41x = 1,672,172.53 × 999,835.16
  4. Step 4: Simplify right side
    1,120,608.41x = 1,671,896,878,219.70
  5. Step 5: Solve for x
    x = 1,671,896,878,219.70/1,120,608.41
  6. Step 6: Final answer
    x = 1,491,954.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.