Home / 1,258,423.40-1,736,650.68-685,462.16

Finding the Fourth Proportional to 1,258,423.40, 1,736,650.68 and 685,462.16

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Solution

The fourth proportional to 1,258,423.40, 1,736,650.68 and 685,462.16 is: 945,952.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,423.40 : 1,736,650.68 = 685,462.16 : x
  2. Step 2: Convert to fraction form
    1,258,423.40/1,736,650.68 = 685,462.16/x
  3. Step 3: Cross multiply
    1,258,423.40x = 1,736,650.68 × 685,462.16
  4. Step 4: Simplify right side
    1,258,423.40x = 1,190,408,326,278.27
  5. Step 5: Solve for x
    x = 1,190,408,326,278.27/1,258,423.40
  6. Step 6: Final answer
    x = 945,952.15

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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.