Home / 1,320,342.50-1,822,094.62-716,730.50

Finding the Fourth Proportional to 1,320,342.50, 1,822,094.62 and 716,730.50

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Solution

The fourth proportional to 1,320,342.50, 1,822,094.62 and 716,730.50 is: 989,100.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,342.50 : 1,822,094.62 = 716,730.50 : x
  2. Step 2: Convert to fraction form
    1,320,342.50/1,822,094.62 = 716,730.50/x
  3. Step 3: Cross multiply
    1,320,342.50x = 1,822,094.62 × 716,730.50
  4. Step 4: Simplify right side
    1,320,342.50x = 1,305,950,788,039.91
  5. Step 5: Solve for x
    x = 1,305,950,788,039.91/1,320,342.50
  6. Step 6: Final answer
    x = 989,100.02

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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.