Home / 1,265,720.75-1,746,627.59-692,650.20

Finding the Fourth Proportional to 1,265,720.75, 1,746,627.59 and 692,650.20

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Solution

The fourth proportional to 1,265,720.75, 1,746,627.59 and 692,650.20 is: 955,820.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,720.75 : 1,746,627.59 = 692,650.20 : x
  2. Step 2: Convert to fraction form
    1,265,720.75/1,746,627.59 = 692,650.20/x
  3. Step 3: Cross multiply
    1,265,720.75x = 1,746,627.59 × 692,650.20
  4. Step 4: Simplify right side
    1,265,720.75x = 1,209,801,949,539.02
  5. Step 5: Solve for x
    x = 1,209,801,949,539.02/1,265,720.75
  6. Step 6: Final answer
    x = 955,820.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.