Home / 1,803,814.80-2,705,721.36-724,326.96

Finding the Fourth Proportional to 1,803,814.80, 2,705,721.36 and 724,326.96

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Solution

The fourth proportional to 1,803,814.80, 2,705,721.36 and 724,326.96 is: 1,086,490.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803,814.80 : 2,705,721.36 = 724,326.96 : x
  2. Step 2: Convert to fraction form
    1,803,814.80/2,705,721.36 = 724,326.96/x
  3. Step 3: Cross multiply
    1,803,814.80x = 2,705,721.36 × 724,326.96
  4. Step 4: Simplify right side
    1,803,814.80x = 1,959,826,927,295.87
  5. Step 5: Solve for x
    x = 1,959,826,927,295.87/1,803,814.80
  6. Step 6: Final answer
    x = 1,086,490.10

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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.