Home / 1,210,624.10-1,815,931.28-369,173.42

Finding the Fourth Proportional to 1,210,624.10, 1,815,931.28 and 369,173.42

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Solution

The fourth proportional to 1,210,624.10, 1,815,931.28 and 369,173.42 is: 553,758.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,624.10 : 1,815,931.28 = 369,173.42 : x
  2. Step 2: Convert to fraction form
    1,210,624.10/1,815,931.28 = 369,173.42/x
  3. Step 3: Cross multiply
    1,210,624.10x = 1,815,931.28 × 369,173.42
  4. Step 4: Simplify right side
    1,210,624.10x = 670,393,561,122.58
  5. Step 5: Solve for x
    x = 670,393,561,122.58/1,210,624.10
  6. Step 6: Final answer
    x = 553,758.64

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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.