Home / 1,055,012.80-1,581,586.08-493,896.64

Finding the Fourth Proportional to 1,055,012.80, 1,581,586.08 and 493,896.64

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Solution

The fourth proportional to 1,055,012.80, 1,581,586.08 and 493,896.64 is: 740,408.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,012.80 : 1,581,586.08 = 493,896.64 : x
  2. Step 2: Convert to fraction form
    1,055,012.80/1,581,586.08 = 493,896.64/x
  3. Step 3: Cross multiply
    1,055,012.80x = 1,581,586.08 × 493,896.64
  4. Step 4: Simplify right side
    1,055,012.80x = 781,140,050,782.77
  5. Step 5: Solve for x
    x = 781,140,050,782.77/1,055,012.80
  6. Step 6: Final answer
    x = 740,408.13

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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.