Home / 1,395,907.20-2,095,829.10-864,466.20

Finding the Fourth Proportional to 1,395,907.20, 2,095,829.10 and 864,466.20

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Solution

The fourth proportional to 1,395,907.20, 2,095,829.10 and 864,466.20 is: 1,297,918.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,907.20 : 2,095,829.10 = 864,466.20 : x
  2. Step 2: Convert to fraction form
    1,395,907.20/2,095,829.10 = 864,466.20/x
  3. Step 3: Cross multiply
    1,395,907.20x = 2,095,829.10 × 864,466.20
  4. Step 4: Simplify right side
    1,395,907.20x = 1,811,773,417,926.42
  5. Step 5: Solve for x
    x = 1,811,773,417,926.42/1,395,907.20
  6. Step 6: Final answer
    x = 1,297,918.24

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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.