Home / 1,627,039.26-2,440,573.47-429,131.88

Finding the Fourth Proportional to 1,627,039.26, 2,440,573.47 and 429,131.88

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Solution

The fourth proportional to 1,627,039.26, 2,440,573.47 and 429,131.88 is: 643,701.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627,039.26 : 2,440,573.47 = 429,131.88 : x
  2. Step 2: Convert to fraction form
    1,627,039.26/2,440,573.47 = 429,131.88/x
  3. Step 3: Cross multiply
    1,627,039.26x = 2,440,573.47 × 429,131.88
  4. Step 4: Simplify right side
    1,627,039.26x = 1,047,327,881,459.22
  5. Step 5: Solve for x
    x = 1,047,327,881,459.22/1,627,039.26
  6. Step 6: Final answer
    x = 643,701.67

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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.