Home / 1,259,466.90-1,889,468.71-406,587.01

Finding the Fourth Proportional to 1,259,466.90, 1,889,468.71 and 406,587.01

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Solution

The fourth proportional to 1,259,466.90, 1,889,468.71 and 406,587.01 is: 609,967.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,466.90 : 1,889,468.71 = 406,587.01 : x
  2. Step 2: Convert to fraction form
    1,259,466.90/1,889,468.71 = 406,587.01/x
  3. Step 3: Cross multiply
    1,259,466.90x = 1,889,468.71 × 406,587.01
  4. Step 4: Simplify right side
    1,259,466.90x = 768,233,433,287.46
  5. Step 5: Solve for x
    x = 768,233,433,287.46/1,259,466.90
  6. Step 6: Final answer
    x = 609,967.15

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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.