Home / 1,190,289.25-1,642,598.75-646,425.18

Finding the Fourth Proportional to 1,190,289.25, 1,642,598.75 and 646,425.18

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Solution

The fourth proportional to 1,190,289.25, 1,642,598.75 and 646,425.18 is: 892,066.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,289.25 : 1,642,598.75 = 646,425.18 : x
  2. Step 2: Convert to fraction form
    1,190,289.25/1,642,598.75 = 646,425.18/x
  3. Step 3: Cross multiply
    1,190,289.25x = 1,642,598.75 × 646,425.18
  4. Step 4: Simplify right side
    1,190,289.25x = 1,061,817,192,636.53
  5. Step 5: Solve for x
    x = 1,061,817,192,636.53/1,190,289.25
  6. Step 6: Final answer
    x = 892,066.52

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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.