Home / 1,398,827.52-1,931,178.24-923,281.92

Finding the Fourth Proportional to 1,398,827.52, 1,931,178.24 and 923,281.92

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Solution

The fourth proportional to 1,398,827.52, 1,931,178.24 and 923,281.92 is: 1,274,654.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,827.52 : 1,931,178.24 = 923,281.92 : x
  2. Step 2: Convert to fraction form
    1,398,827.52/1,931,178.24 = 923,281.92/x
  3. Step 3: Cross multiply
    1,398,827.52x = 1,931,178.24 × 923,281.92
  4. Step 4: Simplify right side
    1,398,827.52x = 1,783,021,953,289.42
  5. Step 5: Solve for x
    x = 1,783,021,953,289.42/1,398,827.52
  6. Step 6: Final answer
    x = 1,274,654.61

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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.