Home / 1,501,429.50-2,071,972.98-822,390.30

Finding the Fourth Proportional to 1,501,429.50, 2,071,972.98 and 822,390.30

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Solution

The fourth proportional to 1,501,429.50, 2,071,972.98 and 822,390.30 is: 1,134,898.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,429.50 : 2,071,972.98 = 822,390.30 : x
  2. Step 2: Convert to fraction form
    1,501,429.50/2,071,972.98 = 822,390.30/x
  3. Step 3: Cross multiply
    1,501,429.50x = 2,071,972.98 × 822,390.30
  4. Step 4: Simplify right side
    1,501,429.50x = 1,703,970,480,614.09
  5. Step 5: Solve for x
    x = 1,703,970,480,614.09/1,501,429.50
  6. Step 6: Final answer
    x = 1,134,898.76

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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.