Home / 1,110,715.34-1,666,137.60-312,059.15

Finding the Fourth Proportional to 1,110,715.34, 1,666,137.60 and 312,059.15

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Solution

The fourth proportional to 1,110,715.34, 1,666,137.60 and 312,059.15 is: 468,106.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,715.34 : 1,666,137.60 = 312,059.15 : x
  2. Step 2: Convert to fraction form
    1,110,715.34/1,666,137.60 = 312,059.15/x
  3. Step 3: Cross multiply
    1,110,715.34x = 1,666,137.60 × 312,059.15
  4. Step 4: Simplify right side
    1,110,715.34x = 519,933,483,239.04
  5. Step 5: Solve for x
    x = 519,933,483,239.04/1,110,715.34
  6. Step 6: Final answer
    x = 468,106.87

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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.