Home / 1,190,097.37-1,642,328.35-646,228.40

Finding the Fourth Proportional to 1,190,097.37, 1,642,328.35 and 646,228.40

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Solution

The fourth proportional to 1,190,097.37, 1,642,328.35 and 646,228.40 is: 891,791.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,097.37 : 1,642,328.35 = 646,228.40 : x
  2. Step 2: Convert to fraction form
    1,190,097.37/1,642,328.35 = 646,228.40/x
  3. Step 3: Cross multiply
    1,190,097.37x = 1,642,328.35 × 646,228.40
  4. Step 4: Simplify right side
    1,190,097.37x = 1,061,319,221,895.14
  5. Step 5: Solve for x
    x = 1,061,319,221,895.14/1,190,097.37
  6. Step 6: Final answer
    x = 891,791.92

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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.