Home / 1,311,539.31-1,967,357.52-458,444.07

Finding the Fourth Proportional to 1,311,539.31, 1,967,357.52 and 458,444.07

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Solution

The fourth proportional to 1,311,539.31, 1,967,357.52 and 458,444.07 is: 687,683.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,539.31 : 1,967,357.52 = 458,444.07 : x
  2. Step 2: Convert to fraction form
    1,311,539.31/1,967,357.52 = 458,444.07/x
  3. Step 3: Cross multiply
    1,311,539.31x = 1,967,357.52 × 458,444.07
  4. Step 4: Simplify right side
    1,311,539.31x = 901,923,388,613.91
  5. Step 5: Solve for x
    x = 901,923,388,613.91/1,311,539.31
  6. Step 6: Final answer
    x = 687,683.08

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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.