Home / 1,259,466.74-1,889,468.47-406,586.86

Finding the Fourth Proportional to 1,259,466.74, 1,889,468.47 and 406,586.86

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Solution

The fourth proportional to 1,259,466.74, 1,889,468.47 and 406,586.86 is: 609,966.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,466.74 : 1,889,468.47 = 406,586.86 : x
  2. Step 2: Convert to fraction form
    1,259,466.74/1,889,468.47 = 406,586.86/x
  3. Step 3: Cross multiply
    1,259,466.74x = 1,889,468.47 × 406,586.86
  4. Step 4: Simplify right side
    1,259,466.74x = 768,233,048,070.87
  5. Step 5: Solve for x
    x = 768,233,048,070.87/1,259,466.74
  6. Step 6: Final answer
    x = 609,966.92

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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.