Home / 1,133,871.80-1,703,342.10-947,247.80

Finding the Fourth Proportional to 1,133,871.80, 1,703,342.10 and 947,247.80

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Solution

The fourth proportional to 1,133,871.80, 1,703,342.10 and 947,247.80 is: 1,422,988.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,871.80 : 1,703,342.10 = 947,247.80 : x
  2. Step 2: Convert to fraction form
    1,133,871.80/1,703,342.10 = 947,247.80/x
  3. Step 3: Cross multiply
    1,133,871.80x = 1,703,342.10 × 947,247.80
  4. Step 4: Simplify right side
    1,133,871.80x = 1,613,487,056,872.38
  5. Step 5: Solve for x
    x = 1,613,487,056,872.38/1,133,871.80
  6. Step 6: Final answer
    x = 1,422,988.96

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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.