Home / 1,249,257.43-1,723,979.13-676,296.23

Finding the Fourth Proportional to 1,249,257.43, 1,723,979.13 and 676,296.23

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Solution

The fourth proportional to 1,249,257.43, 1,723,979.13 and 676,296.23 is: 933,290.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,257.43 : 1,723,979.13 = 676,296.23 : x
  2. Step 2: Convert to fraction form
    1,249,257.43/1,723,979.13 = 676,296.23/x
  3. Step 3: Cross multiply
    1,249,257.43x = 1,723,979.13 × 676,296.23
  4. Step 4: Simplify right side
    1,249,257.43x = 1,165,920,590,527.63
  5. Step 5: Solve for x
    x = 1,165,920,590,527.63/1,249,257.43
  6. Step 6: Final answer
    x = 933,290.90

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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.