Home / 1,289,336.15-1,931,346.41-755,237.94

Finding the Fourth Proportional to 1,289,336.15, 1,931,346.41 and 755,237.94

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Solution

The fourth proportional to 1,289,336.15, 1,931,346.41 and 755,237.94 is: 1,131,300.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,336.15 : 1,931,346.41 = 755,237.94 : x
  2. Step 2: Convert to fraction form
    1,289,336.15/1,931,346.41 = 755,237.94/x
  3. Step 3: Cross multiply
    1,289,336.15x = 1,931,346.41 × 755,237.94
  4. Step 4: Simplify right side
    1,289,336.15x = 1,458,626,080,338.61
  5. Step 5: Solve for x
    x = 1,458,626,080,338.61/1,289,336.15
  6. Step 6: Final answer
    x = 1,131,300.08

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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.