Home / 1,487,818.35-2,053,209.74-808,769.43

Finding the Fourth Proportional to 1,487,818.35, 2,053,209.74 and 808,769.43

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Solution

The fourth proportional to 1,487,818.35, 2,053,209.74 and 808,769.43 is: 1,116,112.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,818.35 : 2,053,209.74 = 808,769.43 : x
  2. Step 2: Convert to fraction form
    1,487,818.35/2,053,209.74 = 808,769.43/x
  3. Step 3: Cross multiply
    1,487,818.35x = 2,053,209.74 × 808,769.43
  4. Step 4: Simplify right side
    1,487,818.35x = 1,660,573,267,046.40
  5. Step 5: Solve for x
    x = 1,660,573,267,046.40/1,487,818.35
  6. Step 6: Final answer
    x = 1,116,112.91

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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.