Home / 1,207,751.76-1,666,735.20-663,929.46

Finding the Fourth Proportional to 1,207,751.76, 1,666,735.20 and 663,929.46

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Solution

The fourth proportional to 1,207,751.76, 1,666,735.20 and 663,929.46 is: 916,243.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,751.76 : 1,666,735.20 = 663,929.46 : x
  2. Step 2: Convert to fraction form
    1,207,751.76/1,666,735.20 = 663,929.46/x
  3. Step 3: Cross multiply
    1,207,751.76x = 1,666,735.20 × 663,929.46
  4. Step 4: Simplify right side
    1,207,751.76x = 1,106,594,601,298.99
  5. Step 5: Solve for x
    x = 1,106,594,601,298.99/1,207,751.76
  6. Step 6: Final answer
    x = 916,243.42

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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.