Home / 1,145,844.42-1,580,672.30-778,340.46

Finding the Fourth Proportional to 1,145,844.42, 1,580,672.30 and 778,340.46

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Solution

The fourth proportional to 1,145,844.42, 1,580,672.30 and 778,340.46 is: 1,073,707.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,844.42 : 1,580,672.30 = 778,340.46 : x
  2. Step 2: Convert to fraction form
    1,145,844.42/1,580,672.30 = 778,340.46/x
  3. Step 3: Cross multiply
    1,145,844.42x = 1,580,672.30 × 778,340.46
  4. Step 4: Simplify right side
    1,145,844.42x = 1,230,301,205,091.26
  5. Step 5: Solve for x
    x = 1,230,301,205,091.26/1,145,844.42
  6. Step 6: Final answer
    x = 1,073,707.03

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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.