Home / 1,384,907.70-2,077,523.55-438,374.10

Finding the Fourth Proportional to 1,384,907.70, 2,077,523.55 and 438,374.10

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Solution

The fourth proportional to 1,384,907.70, 2,077,523.55 and 438,374.10 is: 657,612.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,907.70 : 2,077,523.55 = 438,374.10 : x
  2. Step 2: Convert to fraction form
    1,384,907.70/2,077,523.55 = 438,374.10/x
  3. Step 3: Cross multiply
    1,384,907.70x = 2,077,523.55 × 438,374.10
  4. Step 4: Simplify right side
    1,384,907.70x = 910,732,516,460.06
  5. Step 5: Solve for x
    x = 910,732,516,460.06/1,384,907.70
  6. Step 6: Final answer
    x = 657,612.43

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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.