Home / 1,308,196.21-1,962,590.47-455,308.13

Finding the Fourth Proportional to 1,308,196.21, 1,962,590.47 and 455,308.13

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Solution

The fourth proportional to 1,308,196.21, 1,962,590.47 and 455,308.13 is: 683,065.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,196.21 : 1,962,590.47 = 455,308.13 : x
  2. Step 2: Convert to fraction form
    1,308,196.21/1,962,590.47 = 455,308.13/x
  3. Step 3: Cross multiply
    1,308,196.21x = 1,962,590.47 × 455,308.13
  4. Step 4: Simplify right side
    1,308,196.21x = 893,583,384,762.03
  5. Step 5: Solve for x
    x = 893,583,384,762.03/1,308,196.21
  6. Step 6: Final answer
    x = 683,065.26

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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.