Home / 1,478,120.16-2,039,811.46-824,773.71

Finding the Fourth Proportional to 1,478,120.16, 2,039,811.46 and 824,773.71

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Solution

The fourth proportional to 1,478,120.16, 2,039,811.46 and 824,773.71 is: 1,138,190.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,120.16 : 2,039,811.46 = 824,773.71 : x
  2. Step 2: Convert to fraction form
    1,478,120.16/2,039,811.46 = 824,773.71/x
  3. Step 3: Cross multiply
    1,478,120.16x = 2,039,811.46 × 824,773.71
  4. Step 4: Simplify right side
    1,478,120.16x = 1,682,382,871,152.08
  5. Step 5: Solve for x
    x = 1,682,382,871,152.08/1,478,120.16
  6. Step 6: Final answer
    x = 1,138,190.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.