Home / 1,075,214.18-1,611,917.30-719,141.42

Finding the Fourth Proportional to 1,075,214.18, 1,611,917.30 and 719,141.42

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Solution

The fourth proportional to 1,075,214.18, 1,611,917.30 and 719,141.42 is: 1,078,107.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,214.18 : 1,611,917.30 = 719,141.42 : x
  2. Step 2: Convert to fraction form
    1,075,214.18/1,611,917.30 = 719,141.42/x
  3. Step 3: Cross multiply
    1,075,214.18x = 1,611,917.30 × 719,141.42
  4. Step 4: Simplify right side
    1,075,214.18x = 1,159,196,484,389.27
  5. Step 5: Solve for x
    x = 1,159,196,484,389.27/1,075,214.18
  6. Step 6: Final answer
    x = 1,078,107.52

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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.