Home / 1,176,903.13-1,765,617.13-428,949.13

Finding the Fourth Proportional to 1,176,903.13, 1,765,617.13 and 428,949.13

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Solution

The fourth proportional to 1,176,903.13, 1,765,617.13 and 428,949.13 is: 643,519.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,903.13 : 1,765,617.13 = 428,949.13 : x
  2. Step 2: Convert to fraction form
    1,176,903.13/1,765,617.13 = 428,949.13/x
  3. Step 3: Cross multiply
    1,176,903.13x = 1,765,617.13 × 428,949.13
  4. Step 4: Simplify right side
    1,176,903.13x = 757,359,931,826.60
  5. Step 5: Solve for x
    x = 757,359,931,826.60/1,176,903.13
  6. Step 6: Final answer
    x = 643,519.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.