Home / 1,521,832.65-2,282,210.46-442,120.56

Finding the Fourth Proportional to 1,521,832.65, 2,282,210.46 and 442,120.56

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Solution

The fourth proportional to 1,521,832.65, 2,282,210.46 and 442,120.56 is: 663,024.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,832.65 : 2,282,210.46 = 442,120.56 : x
  2. Step 2: Convert to fraction form
    1,521,832.65/2,282,210.46 = 442,120.56/x
  3. Step 3: Cross multiply
    1,521,832.65x = 2,282,210.46 × 442,120.56
  4. Step 4: Simplify right side
    1,521,832.65x = 1,009,012,166,613.06
  5. Step 5: Solve for x
    x = 1,009,012,166,613.06/1,521,832.65
  6. Step 6: Final answer
    x = 663,024.39

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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.