Home / 1,126,723.65-1,688,904.50-416,298.57

Finding the Fourth Proportional to 1,126,723.65, 1,688,904.50 and 416,298.57

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Solution

The fourth proportional to 1,126,723.65, 1,688,904.50 and 416,298.57 is: 624,011.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,723.65 : 1,688,904.50 = 416,298.57 : x
  2. Step 2: Convert to fraction form
    1,126,723.65/1,688,904.50 = 416,298.57/x
  3. Step 3: Cross multiply
    1,126,723.65x = 1,688,904.50 × 416,298.57
  4. Step 4: Simplify right side
    1,126,723.65x = 703,088,530,472.61
  5. Step 5: Solve for x
    x = 703,088,530,472.61/1,126,723.65
  6. Step 6: Final answer
    x = 624,011.51

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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.