Home / 1,326,643.32-1,830,538.26-782,738.04

Finding the Fourth Proportional to 1,326,643.32, 1,830,538.26 and 782,738.04

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Solution

The fourth proportional to 1,326,643.32, 1,830,538.26 and 782,738.04 is: 1,080,043.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,643.32 : 1,830,538.26 = 782,738.04 : x
  2. Step 2: Convert to fraction form
    1,326,643.32/1,830,538.26 = 782,738.04/x
  3. Step 3: Cross multiply
    1,326,643.32x = 1,830,538.26 × 782,738.04
  4. Step 4: Simplify right side
    1,326,643.32x = 1,432,831,929,777.41
  5. Step 5: Solve for x
    x = 1,432,831,929,777.41/1,326,643.32
  6. Step 6: Final answer
    x = 1,080,043.07

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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.