Home / 1,300,205.80-1,946,507.10-926,957.80

Finding the Fourth Proportional to 1,300,205.80, 1,946,507.10 and 926,957.80

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Solution

The fourth proportional to 1,300,205.80, 1,946,507.10 and 926,957.80 is: 1,387,726.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,205.80 : 1,946,507.10 = 926,957.80 : x
  2. Step 2: Convert to fraction form
    1,300,205.80/1,946,507.10 = 926,957.80/x
  3. Step 3: Cross multiply
    1,300,205.80x = 1,946,507.10 × 926,957.80
  4. Step 4: Simplify right side
    1,300,205.80x = 1,804,329,939,100.38
  5. Step 5: Solve for x
    x = 1,804,329,939,100.38/1,300,205.80
  6. Step 6: Final answer
    x = 1,387,726.42

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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.