Home / 1,149,509.61-1,721,180.84-642,627

Finding the Fourth Proportional to 1,149,509.61, 1,721,180.84 and 642,627

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Solution

The fourth proportional to 1,149,509.61, 1,721,180.84 and 642,627 is: 962,216.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,509.61 : 1,721,180.84 = 642,627 : x
  2. Step 2: Convert to fraction form
    1,149,509.61/1,721,180.84 = 642,627/x
  3. Step 3: Cross multiply
    1,149,509.61x = 1,721,180.84 × 642,627
  4. Step 4: Simplify right side
    1,149,509.61x = 1,106,077,276,453.55
  5. Step 5: Solve for x
    x = 1,106,077,276,453.55/1,149,509.61
  6. Step 6: Final answer
    x = 962,216.64

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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.