Home / 1,000,480.32-1,380,794.24-570,661.76

Finding the Fourth Proportional to 1,000,480.32, 1,380,794.24 and 570,661.76

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Solution

The fourth proportional to 1,000,480.32, 1,380,794.24 and 570,661.76 is: 787,588.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,480.32 : 1,380,794.24 = 570,661.76 : x
  2. Step 2: Convert to fraction form
    1,000,480.32/1,380,794.24 = 570,661.76/x
  3. Step 3: Cross multiply
    1,000,480.32x = 1,380,794.24 × 570,661.76
  4. Step 4: Simplify right side
    1,000,480.32x = 787,966,471,196.26
  5. Step 5: Solve for x
    x = 787,966,471,196.26/1,000,480.32
  6. Step 6: Final answer
    x = 787,588.18

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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.