Home / 1,509,888-2,083,660.20-830,839.08

Finding the Fourth Proportional to 1,509,888, 2,083,660.20 and 830,839.08

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Solution

The fourth proportional to 1,509,888, 2,083,660.20 and 830,839.08 is: 1,146,566.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,888 : 2,083,660.20 = 830,839.08 : x
  2. Step 2: Convert to fraction form
    1,509,888/2,083,660.20 = 830,839.08/x
  3. Step 3: Cross multiply
    1,509,888x = 2,083,660.20 × 830,839.08
  4. Step 4: Simplify right side
    1,509,888x = 1,731,186,323,600.62
  5. Step 5: Solve for x
    x = 1,731,186,323,600.62/1,509,888
  6. Step 6: Final answer
    x = 1,146,566.05

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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.