Home / 1,423,989.37-1,965,102.02-779,403.92

Finding the Fourth Proportional to 1,423,989.37, 1,965,102.02 and 779,403.92

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Solution

The fourth proportional to 1,423,989.37, 1,965,102.02 and 779,403.92 is: 1,075,575.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,989.37 : 1,965,102.02 = 779,403.92 : x
  2. Step 2: Convert to fraction form
    1,423,989.37/1,965,102.02 = 779,403.92/x
  3. Step 3: Cross multiply
    1,423,989.37x = 1,965,102.02 × 779,403.92
  4. Step 4: Simplify right side
    1,423,989.37x = 1,531,608,217,841.85
  5. Step 5: Solve for x
    x = 1,531,608,217,841.85/1,423,989.37
  6. Step 6: Final answer
    x = 1,075,575.60

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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.