Home / 1,347,512.18-2,021,003.40-400,672.40

Finding the Fourth Proportional to 1,347,512.18, 2,021,003.40 and 400,672.40

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Solution

The fourth proportional to 1,347,512.18, 2,021,003.40 and 400,672.40 is: 600,929.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,512.18 : 2,021,003.40 = 400,672.40 : x
  2. Step 2: Convert to fraction form
    1,347,512.18/2,021,003.40 = 400,672.40/x
  3. Step 3: Cross multiply
    1,347,512.18x = 2,021,003.40 × 400,672.40
  4. Step 4: Simplify right side
    1,347,512.18x = 809,760,282,686.16
  5. Step 5: Solve for x
    x = 809,760,282,686.16/1,347,512.18
  6. Step 6: Final answer
    x = 600,929.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.