Home / 1,091,786.20-1,637,727.90-372,117.40

Finding the Fourth Proportional to 1,091,786.20, 1,637,727.90 and 372,117.40

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Solution

The fourth proportional to 1,091,786.20, 1,637,727.90 and 372,117.40 is: 558,192.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,786.20 : 1,637,727.90 = 372,117.40 : x
  2. Step 2: Convert to fraction form
    1,091,786.20/1,637,727.90 = 372,117.40/x
  3. Step 3: Cross multiply
    1,091,786.20x = 1,637,727.90 × 372,117.40
  4. Step 4: Simplify right side
    1,091,786.20x = 609,427,048,055.46
  5. Step 5: Solve for x
    x = 609,427,048,055.46/1,091,786.20
  6. Step 6: Final answer
    x = 558,192.66

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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.