Home / 1,501,431.50-2,071,975.74-822,392.30

Finding the Fourth Proportional to 1,501,431.50, 2,071,975.74 and 822,392.30

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Solution

The fourth proportional to 1,501,431.50, 2,071,975.74 and 822,392.30 is: 1,134,901.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,431.50 : 2,071,975.74 = 822,392.30 : x
  2. Step 2: Convert to fraction form
    1,501,431.50/2,071,975.74 = 822,392.30/x
  3. Step 3: Cross multiply
    1,501,431.50x = 2,071,975.74 × 822,392.30
  4. Step 4: Simplify right side
    1,501,431.50x = 1,703,976,894,362.80
  5. Step 5: Solve for x
    x = 1,703,976,894,362.80/1,501,431.50
  6. Step 6: Final answer
    x = 1,134,901.52

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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.