Home / 1,490,986.72-2,236,479.80-369,055.76

Finding the Fourth Proportional to 1,490,986.72, 2,236,479.80 and 369,055.76

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Solution

The fourth proportional to 1,490,986.72, 2,236,479.80 and 369,055.76 is: 553,583.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,986.72 : 2,236,479.80 = 369,055.76 : x
  2. Step 2: Convert to fraction form
    1,490,986.72/2,236,479.80 = 369,055.76/x
  3. Step 3: Cross multiply
    1,490,986.72x = 2,236,479.80 × 369,055.76
  4. Step 4: Simplify right side
    1,490,986.72x = 825,385,752,313.65
  5. Step 5: Solve for x
    x = 825,385,752,313.65/1,490,986.72
  6. Step 6: Final answer
    x = 553,583.57

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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.