Home / 1,501,660.76-2,072,292.22-822,621.40

Finding the Fourth Proportional to 1,501,660.76, 2,072,292.22 and 822,621.40

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Solution

The fourth proportional to 1,501,660.76, 2,072,292.22 and 822,621.40 is: 1,135,217.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,660.76 : 2,072,292.22 = 822,621.40 : x
  2. Step 2: Convert to fraction form
    1,501,660.76/2,072,292.22 = 822,621.40/x
  3. Step 3: Cross multiply
    1,501,660.76x = 2,072,292.22 × 822,621.40
  4. Step 4: Simplify right side
    1,501,660.76x = 1,704,711,927,225.51
  5. Step 5: Solve for x
    x = 1,704,711,927,225.51/1,501,660.76
  6. Step 6: Final answer
    x = 1,135,217.74

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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.