Home / 1,151,690.64-1,727,639.60-310,223.76

Finding the Fourth Proportional to 1,151,690.64, 1,727,639.60 and 310,223.76

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Solution

The fourth proportional to 1,151,690.64, 1,727,639.60 and 310,223.76 is: 465,363.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,690.64 : 1,727,639.60 = 310,223.76 : x
  2. Step 2: Convert to fraction form
    1,151,690.64/1,727,639.60 = 310,223.76/x
  3. Step 3: Cross multiply
    1,151,690.64x = 1,727,639.60 × 310,223.76
  4. Step 4: Simplify right side
    1,151,690.64x = 535,954,852,636.90
  5. Step 5: Solve for x
    x = 535,954,852,636.90/1,151,690.64
  6. Step 6: Final answer
    x = 465,363.56

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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.