Home / 1,405,862.20-2,108,793.30-1,029,849.40

Finding the Fourth Proportional to 1,405,862.20, 2,108,793.30 and 1,029,849.40

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Solution

The fourth proportional to 1,405,862.20, 2,108,793.30 and 1,029,849.40 is: 1,544,774.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,862.20 : 2,108,793.30 = 1,029,849.40 : x
  2. Step 2: Convert to fraction form
    1,405,862.20/2,108,793.30 = 1,029,849.40/x
  3. Step 3: Cross multiply
    1,405,862.20x = 2,108,793.30 × 1,029,849.40
  4. Step 4: Simplify right side
    1,405,862.20x = 2,171,739,514,729.02
  5. Step 5: Solve for x
    x = 2,171,739,514,729.02/1,405,862.20
  6. Step 6: Final answer
    x = 1,544,774.10

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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.