Home / 1,433,195.64-1,977,750.68-779,824.35

Finding the Fourth Proportional to 1,433,195.64, 1,977,750.68 and 779,824.35

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Solution

The fourth proportional to 1,433,195.64, 1,977,750.68 and 779,824.35 is: 1,076,125.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,195.64 : 1,977,750.68 = 779,824.35 : x
  2. Step 2: Convert to fraction form
    1,433,195.64/1,977,750.68 = 779,824.35/x
  3. Step 3: Cross multiply
    1,433,195.64x = 1,977,750.68 × 779,824.35
  4. Step 4: Simplify right side
    1,433,195.64x = 1,542,298,134,593.94
  5. Step 5: Solve for x
    x = 1,542,298,134,593.94/1,433,195.64
  6. Step 6: Final answer
    x = 1,076,125.33

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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.