Home / 1,355,225.78-2,031,516.75-645,063.14

Finding the Fourth Proportional to 1,355,225.78, 2,031,516.75 and 645,063.14

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Solution

The fourth proportional to 1,355,225.78, 2,031,516.75 and 645,063.14 is: 966,965.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,225.78 : 2,031,516.75 = 645,063.14 : x
  2. Step 2: Convert to fraction form
    1,355,225.78/2,031,516.75 = 645,063.14/x
  3. Step 3: Cross multiply
    1,355,225.78x = 2,031,516.75 × 645,063.14
  4. Step 4: Simplify right side
    1,355,225.78x = 1,310,456,581,215.37
  5. Step 5: Solve for x
    x = 1,310,456,581,215.37/1,355,225.78
  6. Step 6: Final answer
    x = 966,965.50

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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.