Home / 1,490,541.44-2,235,813.20-479,663.20

Finding the Fourth Proportional to 1,490,541.44, 2,235,813.20 and 479,663.20

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Solution

The fourth proportional to 1,490,541.44, 2,235,813.20 and 479,663.20 is: 719,495.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,541.44 : 2,235,813.20 = 479,663.20 : x
  2. Step 2: Convert to fraction form
    1,490,541.44/2,235,813.20 = 479,663.20/x
  3. Step 3: Cross multiply
    1,490,541.44x = 2,235,813.20 × 479,663.20
  4. Step 4: Simplify right side
    1,490,541.44x = 1,072,437,314,114.24
  5. Step 5: Solve for x
    x = 1,072,437,314,114.24/1,490,541.44
  6. Step 6: Final answer
    x = 719,495.13

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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.