Home / 1,298,861.73-1,948,476.06-400,376.52

Finding the Fourth Proportional to 1,298,861.73, 1,948,476.06 and 400,376.52

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Solution

The fourth proportional to 1,298,861.73, 1,948,476.06 and 400,376.52 is: 600,621.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,861.73 : 1,948,476.06 = 400,376.52 : x
  2. Step 2: Convert to fraction form
    1,298,861.73/1,948,476.06 = 400,376.52/x
  3. Step 3: Cross multiply
    1,298,861.73x = 1,948,476.06 × 400,376.52
  4. Step 4: Simplify right side
    1,298,861.73x = 780,124,064,206.11
  5. Step 5: Solve for x
    x = 780,124,064,206.11/1,298,861.73
  6. Step 6: Final answer
    x = 600,621.33

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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.