Home / 1,151,312.93-1,727,551.71-767,323.79

Finding the Fourth Proportional to 1,151,312.93, 1,727,551.71 and 767,323.79

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Solution

The fourth proportional to 1,151,312.93, 1,727,551.71 and 767,323.79 is: 1,151,373.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,312.93 : 1,727,551.71 = 767,323.79 : x
  2. Step 2: Convert to fraction form
    1,151,312.93/1,727,551.71 = 767,323.79/x
  3. Step 3: Cross multiply
    1,151,312.93x = 1,727,551.71 × 767,323.79
  4. Step 4: Simplify right side
    1,151,312.93x = 1,325,591,516,900.42
  5. Step 5: Solve for x
    x = 1,325,591,516,900.42/1,151,312.93
  6. Step 6: Final answer
    x = 1,151,373.78

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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.