Home / 1,249,782.51-1,724,691.28-676,809.57

Finding the Fourth Proportional to 1,249,782.51, 1,724,691.28 and 676,809.57

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Solution

The fourth proportional to 1,249,782.51, 1,724,691.28 and 676,809.57 is: 933,992.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,782.51 : 1,724,691.28 = 676,809.57 : x
  2. Step 2: Convert to fraction form
    1,249,782.51/1,724,691.28 = 676,809.57/x
  3. Step 3: Cross multiply
    1,249,782.51x = 1,724,691.28 × 676,809.57
  4. Step 4: Simplify right side
    1,249,782.51x = 1,167,287,568,757.29
  5. Step 5: Solve for x
    x = 1,167,287,568,757.29/1,249,782.51
  6. Step 6: Final answer
    x = 933,992.56

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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.