Home / 1,237,557.48-1,856,337.81-339,007.12

Finding the Fourth Proportional to 1,237,557.48, 1,856,337.81 and 339,007.12

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Solution

The fourth proportional to 1,237,557.48, 1,856,337.81 and 339,007.12 is: 508,511.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,557.48 : 1,856,337.81 = 339,007.12 : x
  2. Step 2: Convert to fraction form
    1,237,557.48/1,856,337.81 = 339,007.12/x
  3. Step 3: Cross multiply
    1,237,557.48x = 1,856,337.81 × 339,007.12
  4. Step 4: Simplify right side
    1,237,557.48x = 629,311,730,074.36
  5. Step 5: Solve for x
    x = 629,311,730,074.36/1,237,557.48
  6. Step 6: Final answer
    x = 508,511.11

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Double scale
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Similar ratio
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1.5x scale

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.