Home / 1,113,983.28-1,671,063.21-315,269.82

Finding the Fourth Proportional to 1,113,983.28, 1,671,063.21 and 315,269.82

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Solution

The fourth proportional to 1,113,983.28, 1,671,063.21 and 315,269.82 is: 472,929.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,983.28 : 1,671,063.21 = 315,269.82 : x
  2. Step 2: Convert to fraction form
    1,113,983.28/1,671,063.21 = 315,269.82/x
  3. Step 3: Cross multiply
    1,113,983.28x = 1,671,063.21 × 315,269.82
  4. Step 4: Simplify right side
    1,113,983.28x = 526,835,797,425.32
  5. Step 5: Solve for x
    x = 526,835,797,425.32/1,113,983.28
  6. Step 6: Final answer
    x = 472,929.72

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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.