Home / 1,478,325.13-2,216,534.31-579,857.70

Finding the Fourth Proportional to 1,478,325.13, 2,216,534.31 and 579,857.70

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Solution

The fourth proportional to 1,478,325.13, 2,216,534.31 and 579,857.70 is: 869,412.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,325.13 : 2,216,534.31 = 579,857.70 : x
  2. Step 2: Convert to fraction form
    1,478,325.13/2,216,534.31 = 579,857.70/x
  3. Step 3: Cross multiply
    1,478,325.13x = 2,216,534.31 × 579,857.70
  4. Step 4: Simplify right side
    1,478,325.13x = 1,285,274,478,655.68
  5. Step 5: Solve for x
    x = 1,285,274,478,655.68/1,478,325.13
  6. Step 6: Final answer
    x = 869,412.59

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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.