Home / 1,153,176.40-1,729,764.60-513,478.90

Finding the Fourth Proportional to 1,153,176.40, 1,729,764.60 and 513,478.90

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Solution

The fourth proportional to 1,153,176.40, 1,729,764.60 and 513,478.90 is: 770,218.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,176.40 : 1,729,764.60 = 513,478.90 : x
  2. Step 2: Convert to fraction form
    1,153,176.40/1,729,764.60 = 513,478.90/x
  3. Step 3: Cross multiply
    1,153,176.40x = 1,729,764.60 × 513,478.90
  4. Step 4: Simplify right side
    1,153,176.40x = 888,197,624,066.94
  5. Step 5: Solve for x
    x = 888,197,624,066.94/1,153,176.40
  6. Step 6: Final answer
    x = 770,218.35

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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.