Home / 841,420.86-1,261,956.33-499,996.14

Finding the Fourth Proportional to 841,420.86, 1,261,956.33 and 499,996.14

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Solution

The fourth proportional to 841,420.86, 1,261,956.33 and 499,996.14 is: 749,890.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,420.86 : 1,261,956.33 = 499,996.14 : x
  2. Step 2: Convert to fraction form
    841,420.86/1,261,956.33 = 499,996.14/x
  3. Step 3: Cross multiply
    841,420.86x = 1,261,956.33 × 499,996.14
  4. Step 4: Simplify right side
    841,420.86x = 630,973,293,848.57
  5. Step 5: Solve for x
    x = 630,973,293,848.57/841,420.86
  6. Step 6: Final answer
    x = 749,890.24

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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.