Home / 1,298,805.08-1,948,420.85-400,246.97

Finding the Fourth Proportional to 1,298,805.08, 1,948,420.85 and 400,246.97

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Solution

The fourth proportional to 1,298,805.08, 1,948,420.85 and 400,246.97 is: 600,436.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,805.08 : 1,948,420.85 = 400,246.97 : x
  2. Step 2: Convert to fraction form
    1,298,805.08/1,948,420.85 = 400,246.97/x
  3. Step 3: Cross multiply
    1,298,805.08x = 1,948,420.85 × 400,246.97
  4. Step 4: Simplify right side
    1,298,805.08x = 779,849,529,753.99
  5. Step 5: Solve for x
    x = 779,849,529,753.99/1,298,805.08
  6. Step 6: Final answer
    x = 600,436.16

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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.