Home / 1,243,852.95-1,865,789.82-345,364.76

Finding the Fourth Proportional to 1,243,852.95, 1,865,789.82 and 345,364.76

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Solution

The fourth proportional to 1,243,852.95, 1,865,789.82 and 345,364.76 is: 518,050.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,852.95 : 1,865,789.82 = 345,364.76 : x
  2. Step 2: Convert to fraction form
    1,243,852.95/1,865,789.82 = 345,364.76/x
  3. Step 3: Cross multiply
    1,243,852.95x = 1,865,789.82 × 345,364.76
  4. Step 4: Simplify right side
    1,243,852.95x = 644,378,049,767.39
  5. Step 5: Solve for x
    x = 644,378,049,767.39/1,243,852.95
  6. Step 6: Final answer
    x = 518,050.02

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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.