Home / 1,126,289.52-1,554,391.08-642,927.42

Finding the Fourth Proportional to 1,126,289.52, 1,554,391.08 and 642,927.42

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Solution

The fourth proportional to 1,126,289.52, 1,554,391.08 and 642,927.42 is: 887,303.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,289.52 : 1,554,391.08 = 642,927.42 : x
  2. Step 2: Convert to fraction form
    1,126,289.52/1,554,391.08 = 642,927.42/x
  3. Step 3: Cross multiply
    1,126,289.52x = 1,554,391.08 × 642,927.42
  4. Step 4: Simplify right side
    1,126,289.52x = 999,360,646,735.41
  5. Step 5: Solve for x
    x = 999,360,646,735.41/1,126,289.52
  6. Step 6: Final answer
    x = 887,303.51

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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.