Home / 1,535,598.50-2,118,863.49-890,870.90

Finding the Fourth Proportional to 1,535,598.50, 2,118,863.49 and 890,870.90

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Solution

The fourth proportional to 1,535,598.50, 2,118,863.49 and 890,870.90 is: 1,229,249.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,598.50 : 2,118,863.49 = 890,870.90 : x
  2. Step 2: Convert to fraction form
    1,535,598.50/2,118,863.49 = 890,870.90/x
  3. Step 3: Cross multiply
    1,535,598.50x = 2,118,863.49 × 890,870.90
  4. Step 4: Simplify right side
    1,535,598.50x = 1,887,633,824,313.44
  5. Step 5: Solve for x
    x = 1,887,633,824,313.44/1,535,598.50
  6. Step 6: Final answer
    x = 1,229,249.59

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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.