Home / 1,458,499.18-2,187,748.70-393,541.20

Finding the Fourth Proportional to 1,458,499.18, 2,187,748.70 and 393,541.20

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Solution

The fourth proportional to 1,458,499.18, 2,187,748.70 and 393,541.20 is: 590,311.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,499.18 : 2,187,748.70 = 393,541.20 : x
  2. Step 2: Convert to fraction form
    1,458,499.18/2,187,748.70 = 393,541.20/x
  3. Step 3: Cross multiply
    1,458,499.18x = 2,187,748.70 × 393,541.20
  4. Step 4: Simplify right side
    1,458,499.18x = 860,969,248,696.44
  5. Step 5: Solve for x
    x = 860,969,248,696.44/1,458,499.18
  6. Step 6: Final answer
    x = 590,311.78

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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.