Home / 1,038,261.66-1,556,722.89-407,239.26

Finding the Fourth Proportional to 1,038,261.66, 1,556,722.89 and 407,239.26

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Solution

The fourth proportional to 1,038,261.66, 1,556,722.89 and 407,239.26 is: 610,596.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,261.66 : 1,556,722.89 = 407,239.26 : x
  2. Step 2: Convert to fraction form
    1,038,261.66/1,556,722.89 = 407,239.26/x
  3. Step 3: Cross multiply
    1,038,261.66x = 1,556,722.89 × 407,239.26
  4. Step 4: Simplify right side
    1,038,261.66x = 633,958,677,748.66
  5. Step 5: Solve for x
    x = 633,958,677,748.66/1,038,261.66
  6. Step 6: Final answer
    x = 610,596.25

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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.