Home / 1,326,012.75-1,990,008.99-898,534.53

Finding the Fourth Proportional to 1,326,012.75, 1,990,008.99 and 898,534.53

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Solution

The fourth proportional to 1,326,012.75, 1,990,008.99 and 898,534.53 is: 1,348,472.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,012.75 : 1,990,008.99 = 898,534.53 : x
  2. Step 2: Convert to fraction form
    1,326,012.75/1,990,008.99 = 898,534.53/x
  3. Step 3: Cross multiply
    1,326,012.75x = 1,990,008.99 × 898,534.53
  4. Step 4: Simplify right side
    1,326,012.75x = 1,788,091,792,525.42
  5. Step 5: Solve for x
    x = 1,788,091,792,525.42/1,326,012.75
  6. Step 6: Final answer
    x = 1,348,472.55

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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.