Home / 1,384,769.61-2,077,271.06-438,119.37

Finding the Fourth Proportional to 1,384,769.61, 2,077,271.06 and 438,119.37

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Solution

The fourth proportional to 1,384,769.61, 2,077,271.06 and 438,119.37 is: 657,215.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,769.61 : 2,077,271.06 = 438,119.37 : x
  2. Step 2: Convert to fraction form
    1,384,769.61/2,077,271.06 = 438,119.37/x
  3. Step 3: Cross multiply
    1,384,769.61x = 2,077,271.06 × 438,119.37
  4. Step 4: Simplify right side
    1,384,769.61x = 910,092,685,935.84
  5. Step 5: Solve for x
    x = 910,092,685,935.84/1,384,769.61
  6. Step 6: Final answer
    x = 657,215.96

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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.