Home / 1,292,591.52-1,938,012.48-450,684

Finding the Fourth Proportional to 1,292,591.52, 1,938,012.48 and 450,684

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Solution

The fourth proportional to 1,292,591.52, 1,938,012.48 and 450,684 is: 675,720.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,591.52 : 1,938,012.48 = 450,684 : x
  2. Step 2: Convert to fraction form
    1,292,591.52/1,938,012.48 = 450,684/x
  3. Step 3: Cross multiply
    1,292,591.52x = 1,938,012.48 × 450,684
  4. Step 4: Simplify right side
    1,292,591.52x = 873,431,216,536.32
  5. Step 5: Solve for x
    x = 873,431,216,536.32/1,292,591.52
  6. Step 6: Final answer
    x = 675,720.99

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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.