Home / 756,159.72-1,139,424.78-625,961.40

Finding the Fourth Proportional to 756,159.72, 1,139,424.78 and 625,961.40

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Solution

The fourth proportional to 756,159.72, 1,139,424.78 and 625,961.40 is: 943,234.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,159.72 : 1,139,424.78 = 625,961.40 : x
  2. Step 2: Convert to fraction form
    756,159.72/1,139,424.78 = 625,961.40/x
  3. Step 3: Cross multiply
    756,159.72x = 1,139,424.78 × 625,961.40
  4. Step 4: Simplify right side
    756,159.72x = 713,235,930,483.49
  5. Step 5: Solve for x
    x = 713,235,930,483.49/756,159.72
  6. Step 6: Final answer
    x = 943,234.49

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.