Home / 1,091,331.63-1,628,462.37-977,855.90

Finding the Fourth Proportional to 1,091,331.63, 1,628,462.37 and 977,855.90

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Solution

The fourth proportional to 1,091,331.63, 1,628,462.37 and 977,855.90 is: 1,459,136.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,331.63 : 1,628,462.37 = 977,855.90 : x
  2. Step 2: Convert to fraction form
    1,091,331.63/1,628,462.37 = 977,855.90/x
  3. Step 3: Cross multiply
    1,091,331.63x = 1,628,462.37 × 977,855.90
  4. Step 4: Simplify right side
    1,091,331.63x = 1,592,401,531,957.13
  5. Step 5: Solve for x
    x = 1,592,401,531,957.13/1,091,331.63
  6. Step 6: Final answer
    x = 1,459,136.24

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