Home / 1,296,981.37-1,776,856.20-1,248,480.22

Finding the Fourth Proportional to 1,296,981.37, 1,776,856.20 and 1,248,480.22

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Solution

The fourth proportional to 1,296,981.37, 1,776,856.20 and 1,248,480.22 is: 1,710,409.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,981.37 : 1,776,856.20 = 1,248,480.22 : x
  2. Step 2: Convert to fraction form
    1,296,981.37/1,776,856.20 = 1,248,480.22/x
  3. Step 3: Cross multiply
    1,296,981.37x = 1,776,856.20 × 1,248,480.22
  4. Step 4: Simplify right side
    1,296,981.37x = 2,218,369,819,484.36
  5. Step 5: Solve for x
    x = 2,218,369,819,484.36/1,296,981.37
  6. Step 6: Final answer
    x = 1,710,409.93

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.