Home / 1,479,436.08-2,219,280.62-519,808.28

Finding the Fourth Proportional to 1,479,436.08, 2,219,280.62 and 519,808.28

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Solution

The fourth proportional to 1,479,436.08, 2,219,280.62 and 519,808.28 is: 779,756.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,436.08 : 2,219,280.62 = 519,808.28 : x
  2. Step 2: Convert to fraction form
    1,479,436.08/2,219,280.62 = 519,808.28/x
  3. Step 3: Cross multiply
    1,479,436.08x = 2,219,280.62 × 519,808.28
  4. Step 4: Simplify right side
    1,479,436.08x = 1,153,600,428,224.09
  5. Step 5: Solve for x
    x = 1,153,600,428,224.09/1,479,436.08
  6. Step 6: Final answer
    x = 779,756.86

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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.