Home / 1,126,011.94-1,554,008.24-642,650.31

Finding the Fourth Proportional to 1,126,011.94, 1,554,008.24 and 642,650.31

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Solution

The fourth proportional to 1,126,011.94, 1,554,008.24 and 642,650.31 is: 886,921.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,011.94 : 1,554,008.24 = 642,650.31 : x
  2. Step 2: Convert to fraction form
    1,126,011.94/1,554,008.24 = 642,650.31/x
  3. Step 3: Cross multiply
    1,126,011.94x = 1,554,008.24 × 642,650.31
  4. Step 4: Simplify right side
    1,126,011.94x = 998,683,878,785.18
  5. Step 5: Solve for x
    x = 998,683,878,785.18/1,126,011.94
  6. Step 6: Final answer
    x = 886,921.22

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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.