Home / 1,018,771.40-1,405,822.22-589,079.36

Finding the Fourth Proportional to 1,018,771.40, 1,405,822.22 and 589,079.36

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Solution

The fourth proportional to 1,018,771.40, 1,405,822.22 and 589,079.36 is: 812,881.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,771.40 : 1,405,822.22 = 589,079.36 : x
  2. Step 2: Convert to fraction form
    1,018,771.40/1,405,822.22 = 589,079.36/x
  3. Step 3: Cross multiply
    1,018,771.40x = 1,405,822.22 × 589,079.36
  4. Step 4: Simplify right side
    1,018,771.40x = 828,140,853,631.38
  5. Step 5: Solve for x
    x = 828,140,853,631.38/1,018,771.40
  6. Step 6: Final answer
    x = 812,881.92

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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.