Home / 1,253,869.83-1,880,559.92-400,712.63

Finding the Fourth Proportional to 1,253,869.83, 1,880,559.92 and 400,712.63

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Solution

The fourth proportional to 1,253,869.83, 1,880,559.92 and 400,712.63 is: 600,990.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,869.83 : 1,880,559.92 = 400,712.63 : x
  2. Step 2: Convert to fraction form
    1,253,869.83/1,880,559.92 = 400,712.63/x
  3. Step 3: Cross multiply
    1,253,869.83x = 1,880,559.92 × 400,712.63
  4. Step 4: Simplify right side
    1,253,869.83x = 753,564,100,009.43
  5. Step 5: Solve for x
    x = 753,564,100,009.43/1,253,869.83
  6. Step 6: Final answer
    x = 600,990.69

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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.