Home / 1,426,038.78-2,137,618.85-893,933.49

Finding the Fourth Proportional to 1,426,038.78, 2,137,618.85 and 893,933.49

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Solution

The fourth proportional to 1,426,038.78, 2,137,618.85 and 893,933.49 is: 1,339,997.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,038.78 : 2,137,618.85 = 893,933.49 : x
  2. Step 2: Convert to fraction form
    1,426,038.78/2,137,618.85 = 893,933.49/x
  3. Step 3: Cross multiply
    1,426,038.78x = 2,137,618.85 × 893,933.49
  4. Step 4: Simplify right side
    1,426,038.78x = 1,910,889,068,182.19
  5. Step 5: Solve for x
    x = 1,910,889,068,182.19/1,426,038.78
  6. Step 6: Final answer
    x = 1,339,997.97

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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.