Home / 1,237,338.36-1,856,164.50-438,463.80

Finding the Fourth Proportional to 1,237,338.36, 1,856,164.50 and 438,463.80

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Solution

The fourth proportional to 1,237,338.36, 1,856,164.50 and 438,463.80 is: 657,751.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,338.36 : 1,856,164.50 = 438,463.80 : x
  2. Step 2: Convert to fraction form
    1,237,338.36/1,856,164.50 = 438,463.80/x
  3. Step 3: Cross multiply
    1,237,338.36x = 1,856,164.50 × 438,463.80
  4. Step 4: Simplify right side
    1,237,338.36x = 813,860,940,095.10
  5. Step 5: Solve for x
    x = 813,860,940,095.10/1,237,338.36
  6. Step 6: Final answer
    x = 657,751.32

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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.