Home / 1,247,497.23-1,721,547.40-674,537.25

Finding the Fourth Proportional to 1,247,497.23, 1,721,547.40 and 674,537.25

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Solution

The fourth proportional to 1,247,497.23, 1,721,547.40 and 674,537.25 is: 930,862.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,497.23 : 1,721,547.40 = 674,537.25 : x
  2. Step 2: Convert to fraction form
    1,247,497.23/1,721,547.40 = 674,537.25/x
  3. Step 3: Cross multiply
    1,247,497.23x = 1,721,547.40 × 674,537.25
  4. Step 4: Simplify right side
    1,247,497.23x = 1,161,247,848,940.65
  5. Step 5: Solve for x
    x = 1,161,247,848,940.65/1,247,497.23
  6. Step 6: Final answer
    x = 930,862.07

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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.