Home / 1,190,007.71-1,642,239.14-646,166.42

Finding the Fourth Proportional to 1,190,007.71, 1,642,239.14 and 646,166.42

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Solution

The fourth proportional to 1,190,007.71, 1,642,239.14 and 646,166.42 is: 891,725.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,007.71 : 1,642,239.14 = 646,166.42 : x
  2. Step 2: Convert to fraction form
    1,190,007.71/1,642,239.14 = 646,166.42/x
  3. Step 3: Cross multiply
    1,190,007.71x = 1,642,239.14 × 646,166.42
  4. Step 4: Simplify right side
    1,190,007.71x = 1,061,159,774,435.65
  5. Step 5: Solve for x
    x = 1,061,159,774,435.65/1,190,007.71
  6. Step 6: Final answer
    x = 891,725.13

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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.