Home / 1,362,388.34-2,042,872.93-642,536.76

Finding the Fourth Proportional to 1,362,388.34, 2,042,872.93 and 642,536.76

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Solution

The fourth proportional to 1,362,388.34, 2,042,872.93 and 642,536.76 is: 963,470.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,388.34 : 2,042,872.93 = 642,536.76 : x
  2. Step 2: Convert to fraction form
    1,362,388.34/2,042,872.93 = 642,536.76/x
  3. Step 3: Cross multiply
    1,362,388.34x = 2,042,872.93 × 642,536.76
  4. Step 4: Simplify right side
    1,362,388.34x = 1,312,620,953,533.91
  5. Step 5: Solve for x
    x = 1,312,620,953,533.91/1,362,388.34
  6. Step 6: Final answer
    x = 963,470.48

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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.