Home / 1,043,009.40-1,564,514.10-806,521.80

Finding the Fourth Proportional to 1,043,009.40, 1,564,514.10 and 806,521.80

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Solution

The fourth proportional to 1,043,009.40, 1,564,514.10 and 806,521.80 is: 1,209,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,009.40 : 1,564,514.10 = 806,521.80 : x
  2. Step 2: Convert to fraction form
    1,043,009.40/1,564,514.10 = 806,521.80/x
  3. Step 3: Cross multiply
    1,043,009.40x = 1,564,514.10 × 806,521.80
  4. Step 4: Simplify right side
    1,043,009.40x = 1,261,814,728,057.38
  5. Step 5: Solve for x
    x = 1,261,814,728,057.38/1,043,009.40
  6. Step 6: Final answer
    x = 1,209,782.70

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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.