Home / 1,117,718.18-1,675,636.85-486,156.32

Finding the Fourth Proportional to 1,117,718.18, 1,675,636.85 and 486,156.32

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Solution

The fourth proportional to 1,117,718.18, 1,675,636.85 and 486,156.32 is: 728,825.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,718.18 : 1,675,636.85 = 486,156.32 : x
  2. Step 2: Convert to fraction form
    1,117,718.18/1,675,636.85 = 486,156.32/x
  3. Step 3: Cross multiply
    1,117,718.18x = 1,675,636.85 × 486,156.32
  4. Step 4: Simplify right side
    1,117,718.18x = 814,621,437,489.60
  5. Step 5: Solve for x
    x = 814,621,437,489.60/1,117,718.18
  6. Step 6: Final answer
    x = 728,825.44

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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.