Home / 1,265,145.60-1,745,944.53-692,185.80

Finding the Fourth Proportional to 1,265,145.60, 1,745,944.53 and 692,185.80

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Solution

The fourth proportional to 1,265,145.60, 1,745,944.53 and 692,185.80 is: 955,240.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,145.60 : 1,745,944.53 = 692,185.80 : x
  2. Step 2: Convert to fraction form
    1,265,145.60/1,745,944.53 = 692,185.80/x
  3. Step 3: Cross multiply
    1,265,145.60x = 1,745,944.53 × 692,185.80
  4. Step 4: Simplify right side
    1,265,145.60x = 1,208,518,011,253.67
  5. Step 5: Solve for x
    x = 1,208,518,011,253.67/1,265,145.60
  6. Step 6: Final answer
    x = 955,240.26

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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.