Home / 1,111,174.42-1,666,762.23-312,455.98

Finding the Fourth Proportional to 1,111,174.42, 1,666,762.23 and 312,455.98

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Solution

The fourth proportional to 1,111,174.42, 1,666,762.23 and 312,455.98 is: 468,684.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,174.42 : 1,666,762.23 = 312,455.98 : x
  2. Step 2: Convert to fraction form
    1,111,174.42/1,666,762.23 = 312,455.98/x
  3. Step 3: Cross multiply
    1,111,174.42x = 1,666,762.23 × 312,455.98
  4. Step 4: Simplify right side
    1,111,174.42x = 520,789,826,001.64
  5. Step 5: Solve for x
    x = 520,789,826,001.64/1,111,174.42
  6. Step 6: Final answer
    x = 468,684.14

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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.