Home / 1,380,596.40-2,070,048.96-538,164

Finding the Fourth Proportional to 1,380,596.40, 2,070,048.96 and 538,164

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Solution

The fourth proportional to 1,380,596.40, 2,070,048.96 and 538,164 is: 806,916.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,596.40 : 2,070,048.96 = 538,164 : x
  2. Step 2: Convert to fraction form
    1,380,596.40/2,070,048.96 = 538,164/x
  3. Step 3: Cross multiply
    1,380,596.40x = 2,070,048.96 × 538,164
  4. Step 4: Simplify right side
    1,380,596.40x = 1,114,025,828,509.44
  5. Step 5: Solve for x
    x = 1,114,025,828,509.44/1,380,596.40
  6. Step 6: Final answer
    x = 806,916.36

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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.