Home / 1,210,247.58-1,815,568.40-357,405.49

Finding the Fourth Proportional to 1,210,247.58, 1,815,568.40 and 357,405.49

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Solution

The fourth proportional to 1,210,247.58, 1,815,568.40 and 357,405.49 is: 536,166.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,247.58 : 1,815,568.40 = 357,405.49 : x
  2. Step 2: Convert to fraction form
    1,210,247.58/1,815,568.40 = 357,405.49/x
  3. Step 3: Cross multiply
    1,210,247.58x = 1,815,568.40 × 357,405.49
  4. Step 4: Simplify right side
    1,210,247.58x = 648,894,113,630.52
  5. Step 5: Solve for x
    x = 648,894,113,630.52/1,210,247.58
  6. Step 6: Final answer
    x = 536,166.42

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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.