Home / 1,296,317.70-1,944,476.55-349,784.10

Finding the Fourth Proportional to 1,296,317.70, 1,944,476.55 and 349,784.10

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Solution

The fourth proportional to 1,296,317.70, 1,944,476.55 and 349,784.10 is: 524,676.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,317.70 : 1,944,476.55 = 349,784.10 : x
  2. Step 2: Convert to fraction form
    1,296,317.70/1,944,476.55 = 349,784.10/x
  3. Step 3: Cross multiply
    1,296,317.70x = 1,944,476.55 × 349,784.10
  4. Step 4: Simplify right side
    1,296,317.70x = 680,146,980,012.86
  5. Step 5: Solve for x
    x = 680,146,980,012.86/1,296,317.70
  6. Step 6: Final answer
    x = 524,676.15

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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.