Home / 1,237,569-1,856,355.10-339,018.63

Finding the Fourth Proportional to 1,237,569, 1,856,355.10 and 339,018.63

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Solution

The fourth proportional to 1,237,569, 1,856,355.10 and 339,018.63 is: 508,528.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,569 : 1,856,355.10 = 339,018.63 : x
  2. Step 2: Convert to fraction form
    1,237,569/1,856,355.10 = 339,018.63/x
  3. Step 3: Cross multiply
    1,237,569x = 1,856,355.10 × 339,018.63
  4. Step 4: Simplify right side
    1,237,569x = 629,338,962,795.51
  5. Step 5: Solve for x
    x = 629,338,962,795.51/1,237,569
  6. Step 6: Final answer
    x = 508,528.38

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Double scale
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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.