Home / 1,079,133.30-1,617,403.95-447,722.10

Finding the Fourth Proportional to 1,079,133.30, 1,617,403.95 and 447,722.10

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Solution

The fourth proportional to 1,079,133.30, 1,617,403.95 and 447,722.10 is: 671,045.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,133.30 : 1,617,403.95 = 447,722.10 : x
  2. Step 2: Convert to fraction form
    1,079,133.30/1,617,403.95 = 447,722.10/x
  3. Step 3: Cross multiply
    1,079,133.30x = 1,617,403.95 × 447,722.10
  4. Step 4: Simplify right side
    1,079,133.30x = 724,147,493,042.30
  5. Step 5: Solve for x
    x = 724,147,493,042.30/1,079,133.30
  6. Step 6: Final answer
    x = 671,045.45

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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.