Home / 1,004,442.79-1,386,141.23-545,561.80

Finding the Fourth Proportional to 1,004,442.79, 1,386,141.23 and 545,561.80

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Solution

The fourth proportional to 1,004,442.79, 1,386,141.23 and 545,561.80 is: 752,880.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,442.79 : 1,386,141.23 = 545,561.80 : x
  2. Step 2: Convert to fraction form
    1,004,442.79/1,386,141.23 = 545,561.80/x
  3. Step 3: Cross multiply
    1,004,442.79x = 1,386,141.23 × 545,561.80
  4. Step 4: Simplify right side
    1,004,442.79x = 756,225,704,493.01
  5. Step 5: Solve for x
    x = 756,225,704,493.01/1,004,442.79
  6. Step 6: Final answer
    x = 752,880.81

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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.