Home / 1,318,357.45-1,977,521.73-1,000,462.11

Finding the Fourth Proportional to 1,318,357.45, 1,977,521.73 and 1,000,462.11

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Solution

The fourth proportional to 1,318,357.45, 1,977,521.73 and 1,000,462.11 is: 1,500,682.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,357.45 : 1,977,521.73 = 1,000,462.11 : x
  2. Step 2: Convert to fraction form
    1,318,357.45/1,977,521.73 = 1,000,462.11/x
  3. Step 3: Cross multiply
    1,318,357.45x = 1,977,521.73 × 1,000,462.11
  4. Step 4: Simplify right side
    1,318,357.45x = 1,978,435,562,566.65
  5. Step 5: Solve for x
    x = 1,978,435,562,566.65/1,318,357.45
  6. Step 6: Final answer
    x = 1,500,682.20

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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.