Home / 1,092,859.40-1,639,289.10-994,881.80

Finding the Fourth Proportional to 1,092,859.40, 1,639,289.10 and 994,881.80

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Solution

The fourth proportional to 1,092,859.40, 1,639,289.10 and 994,881.80 is: 1,492,322.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,859.40 : 1,639,289.10 = 994,881.80 : x
  2. Step 2: Convert to fraction form
    1,092,859.40/1,639,289.10 = 994,881.80/x
  3. Step 3: Cross multiply
    1,092,859.40x = 1,639,289.10 × 994,881.80
  4. Step 4: Simplify right side
    1,092,859.40x = 1,630,898,890,528.38
  5. Step 5: Solve for x
    x = 1,630,898,890,528.38/1,092,859.40
  6. Step 6: Final answer
    x = 1,492,322.70

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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.