Home / 1,498,176.42-2,247,018.59-645,018.35

Finding the Fourth Proportional to 1,498,176.42, 2,247,018.59 and 645,018.35

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Solution

The fourth proportional to 1,498,176.42, 2,247,018.59 and 645,018.35 is: 967,421.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498,176.42 : 2,247,018.59 = 645,018.35 : x
  2. Step 2: Convert to fraction form
    1,498,176.42/2,247,018.59 = 645,018.35/x
  3. Step 3: Cross multiply
    1,498,176.42x = 2,247,018.59 × 645,018.35
  4. Step 4: Simplify right side
    1,498,176.42x = 1,449,368,208,880.94
  5. Step 5: Solve for x
    x = 1,449,368,208,880.94/1,498,176.42
  6. Step 6: Final answer
    x = 967,421.59

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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.