Home / 1,247,801.14-1,721,966.73-674,841.31

Finding the Fourth Proportional to 1,247,801.14, 1,721,966.73 and 674,841.31

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Solution

The fourth proportional to 1,247,801.14, 1,721,966.73 and 674,841.31 is: 931,281.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,801.14 : 1,721,966.73 = 674,841.31 : x
  2. Step 2: Convert to fraction form
    1,247,801.14/1,721,966.73 = 674,841.31/x
  3. Step 3: Cross multiply
    1,247,801.14x = 1,721,966.73 × 674,841.31
  4. Step 4: Simplify right side
    1,247,801.14x = 1,162,054,271,865.58
  5. Step 5: Solve for x
    x = 1,162,054,271,865.58/1,247,801.14
  6. Step 6: Final answer
    x = 931,281.63

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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.