Home / 1,642,899.20-2,265,987.84-1,038,704

Finding the Fourth Proportional to 1,642,899.20, 2,265,987.84 and 1,038,704

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Solution

The fourth proportional to 1,642,899.20, 2,265,987.84 and 1,038,704 is: 1,432,644.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,899.20 : 2,265,987.84 = 1,038,704 : x
  2. Step 2: Convert to fraction form
    1,642,899.20/2,265,987.84 = 1,038,704/x
  3. Step 3: Cross multiply
    1,642,899.20x = 2,265,987.84 × 1,038,704
  4. Step 4: Simplify right side
    1,642,899.20x = 2,353,690,633,359.36
  5. Step 5: Solve for x
    x = 2,353,690,633,359.36/1,642,899.20
  6. Step 6: Final answer
    x = 1,432,644.58

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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.