Home / 1,660,814.31-2,492,008.80-988,224.33

Finding the Fourth Proportional to 1,660,814.31, 2,492,008.80 and 988,224.33

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Solution

The fourth proportional to 1,660,814.31, 2,492,008.80 and 988,224.33 is: 1,482,804.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,814.31 : 2,492,008.80 = 988,224.33 : x
  2. Step 2: Convert to fraction form
    1,660,814.31/2,492,008.80 = 988,224.33/x
  3. Step 3: Cross multiply
    1,660,814.31x = 2,492,008.80 × 988,224.33
  4. Step 4: Simplify right side
    1,660,814.31x = 2,462,663,726,734.10
  5. Step 5: Solve for x
    x = 2,462,663,726,734.10/1,660,814.31
  6. Step 6: Final answer
    x = 1,482,804.98

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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.