Home / 1,075,098.09-1,613,643.59-542,992.80

Finding the Fourth Proportional to 1,075,098.09, 1,613,643.59 and 542,992.80

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Solution

The fourth proportional to 1,075,098.09, 1,613,643.59 and 542,992.80 is: 814,992.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,098.09 : 1,613,643.59 = 542,992.80 : x
  2. Step 2: Convert to fraction form
    1,075,098.09/1,613,643.59 = 542,992.80/x
  3. Step 3: Cross multiply
    1,075,098.09x = 1,613,643.59 × 542,992.80
  4. Step 4: Simplify right side
    1,075,098.09x = 876,196,851,136.15
  5. Step 5: Solve for x
    x = 876,196,851,136.15/1,075,098.09
  6. Step 6: Final answer
    x = 814,992.47

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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.