Home / 1,004,780.28-1,386,612.53-545,903.94

Finding the Fourth Proportional to 1,004,780.28, 1,386,612.53 and 545,903.94

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Solution

The fourth proportional to 1,004,780.28, 1,386,612.53 and 545,903.94 is: 753,355.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,780.28 : 1,386,612.53 = 545,903.94 : x
  2. Step 2: Convert to fraction form
    1,004,780.28/1,386,612.53 = 545,903.94/x
  3. Step 3: Cross multiply
    1,004,780.28x = 1,386,612.53 × 545,903.94
  4. Step 4: Simplify right side
    1,004,780.28x = 756,957,240,650.85
  5. Step 5: Solve for x
    x = 756,957,240,650.85/1,004,780.28
  6. Step 6: Final answer
    x = 753,355.99

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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.