Home / 1,510,003.80-2,083,803.84-830,940.30

Finding the Fourth Proportional to 1,510,003.80, 2,083,803.84 and 830,940.30

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Solution

The fourth proportional to 1,510,003.80, 2,083,803.84 and 830,940.30 is: 1,146,696.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,003.80 : 2,083,803.84 = 830,940.30 : x
  2. Step 2: Convert to fraction form
    1,510,003.80/2,083,803.84 = 830,940.30/x
  3. Step 3: Cross multiply
    1,510,003.80x = 2,083,803.84 × 830,940.30
  4. Step 4: Simplify right side
    1,510,003.80x = 1,731,516,587,950.75
  5. Step 5: Solve for x
    x = 1,731,516,587,950.75/1,510,003.80
  6. Step 6: Final answer
    x = 1,146,696.84

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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.