Home / 670,681.45-1,006,028.26-190,909.07

Finding the Fourth Proportional to 670,681.45, 1,006,028.26 and 190,909.07

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Solution

The fourth proportional to 670,681.45, 1,006,028.26 and 190,909.07 is: 286,365.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,681.45 : 1,006,028.26 = 190,909.07 : x
  2. Step 2: Convert to fraction form
    670,681.45/1,006,028.26 = 190,909.07/x
  3. Step 3: Cross multiply
    670,681.45x = 1,006,028.26 × 190,909.07
  4. Step 4: Simplify right side
    670,681.45x = 192,059,913,525.63
  5. Step 5: Solve for x
    x = 192,059,913,525.63/670,681.45
  6. Step 6: Final answer
    x = 286,365.33

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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.