Home / 1,178,901.48-1,626,884.06-642,357.48

Finding the Fourth Proportional to 1,178,901.48, 1,626,884.06 and 642,357.48

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Solution

The fourth proportional to 1,178,901.48, 1,626,884.06 and 642,357.48 is: 886,453.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,901.48 : 1,626,884.06 = 642,357.48 : x
  2. Step 2: Convert to fraction form
    1,178,901.48/1,626,884.06 = 642,357.48/x
  3. Step 3: Cross multiply
    1,178,901.48x = 1,626,884.06 × 642,357.48
  4. Step 4: Simplify right side
    1,178,901.48x = 1,045,041,141,821.98
  5. Step 5: Solve for x
    x = 1,045,041,141,821.98/1,178,901.48
  6. Step 6: Final answer
    x = 886,453.33

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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.