Home / 1,208,702.34-1,668,579.66-767,398.56

Finding the Fourth Proportional to 1,208,702.34, 1,668,579.66 and 767,398.56

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Solution

The fourth proportional to 1,208,702.34, 1,668,579.66 and 767,398.56 is: 1,059,372.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,702.34 : 1,668,579.66 = 767,398.56 : x
  2. Step 2: Convert to fraction form
    1,208,702.34/1,668,579.66 = 767,398.56/x
  3. Step 3: Cross multiply
    1,208,702.34x = 1,668,579.66 × 767,398.56
  4. Step 4: Simplify right side
    1,208,702.34x = 1,280,465,628,329.29
  5. Step 5: Solve for x
    x = 1,280,465,628,329.29/1,208,702.34
  6. Step 6: Final answer
    x = 1,059,372.18

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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.