Home / 1,521,774.24-2,100,114.50-842,710.76

Finding the Fourth Proportional to 1,521,774.24, 2,100,114.50 and 842,710.76

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Solution

The fourth proportional to 1,521,774.24, 2,100,114.50 and 842,710.76 is: 1,162,977.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,774.24 : 2,100,114.50 = 842,710.76 : x
  2. Step 2: Convert to fraction form
    1,521,774.24/2,100,114.50 = 842,710.76/x
  3. Step 3: Cross multiply
    1,521,774.24x = 2,100,114.50 × 842,710.76
  4. Step 4: Simplify right side
    1,521,774.24x = 1,769,789,086,382.02
  5. Step 5: Solve for x
    x = 1,769,789,086,382.02/1,521,774.24
  6. Step 6: Final answer
    x = 1,162,977.42

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1.5x scale

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.