Home / 1,126,343.86-1,689,521.40-284,896.42

Finding the Fourth Proportional to 1,126,343.86, 1,689,521.40 and 284,896.42

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Solution

The fourth proportional to 1,126,343.86, 1,689,521.40 and 284,896.42 is: 427,346.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,343.86 : 1,689,521.40 = 284,896.42 : x
  2. Step 2: Convert to fraction form
    1,126,343.86/1,689,521.40 = 284,896.42/x
  3. Step 3: Cross multiply
    1,126,343.86x = 1,689,521.40 × 284,896.42
  4. Step 4: Simplify right side
    1,126,343.86x = 481,338,598,373.39
  5. Step 5: Solve for x
    x = 481,338,598,373.39/1,126,343.86
  6. Step 6: Final answer
    x = 427,346.05

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1.5x scale

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.