Home / 1,328,532.64-1,833,419.28-724,953.76

Finding the Fourth Proportional to 1,328,532.64, 1,833,419.28 and 724,953.76

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Solution

The fourth proportional to 1,328,532.64, 1,833,419.28 and 724,953.76 is: 1,000,460.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,532.64 : 1,833,419.28 = 724,953.76 : x
  2. Step 2: Convert to fraction form
    1,328,532.64/1,833,419.28 = 724,953.76/x
  3. Step 3: Cross multiply
    1,328,532.64x = 1,833,419.28 × 724,953.76
  4. Step 4: Simplify right side
    1,328,532.64x = 1,329,144,200,692.49
  5. Step 5: Solve for x
    x = 1,329,144,200,692.49/1,328,532.64
  6. Step 6: Final answer
    x = 1,000,460.33

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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.