Home / 1,208,808.63-1,812,588.87-355,769.45

Finding the Fourth Proportional to 1,208,808.63, 1,812,588.87 and 355,769.45

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Solution

The fourth proportional to 1,208,808.63, 1,812,588.87 and 355,769.45 is: 533,470.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,808.63 : 1,812,588.87 = 355,769.45 : x
  2. Step 2: Convert to fraction form
    1,208,808.63/1,812,588.87 = 355,769.45/x
  3. Step 3: Cross multiply
    1,208,808.63x = 1,812,588.87 × 355,769.45
  4. Step 4: Simplify right side
    1,208,808.63x = 644,863,744,424.42
  5. Step 5: Solve for x
    x = 644,863,744,424.42/1,208,808.63
  6. Step 6: Final answer
    x = 533,470.50

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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.