Home / 1,018,770.40-1,405,820.84-589,078.36

Finding the Fourth Proportional to 1,018,770.40, 1,405,820.84 and 589,078.36

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Solution

The fourth proportional to 1,018,770.40, 1,405,820.84 and 589,078.36 is: 812,880.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,770.40 : 1,405,820.84 = 589,078.36 : x
  2. Step 2: Convert to fraction form
    1,018,770.40/1,405,820.84 = 589,078.36/x
  3. Step 3: Cross multiply
    1,018,770.40x = 1,405,820.84 × 589,078.36
  4. Step 4: Simplify right side
    1,018,770.40x = 828,138,634,881.02
  5. Step 5: Solve for x
    x = 828,138,634,881.02/1,018,770.40
  6. Step 6: Final answer
    x = 812,880.54

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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.