Home / 1,578,493.22-2,367,003.69-820,130.81

Finding the Fourth Proportional to 1,578,493.22, 2,367,003.69 and 820,130.81

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Solution

The fourth proportional to 1,578,493.22, 2,367,003.69 and 820,130.81 is: 1,229,813.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,493.22 : 2,367,003.69 = 820,130.81 : x
  2. Step 2: Convert to fraction form
    1,578,493.22/2,367,003.69 = 820,130.81/x
  3. Step 3: Cross multiply
    1,578,493.22x = 2,367,003.69 × 820,130.81
  4. Step 4: Simplify right side
    1,578,493.22x = 1,941,252,641,717.67
  5. Step 5: Solve for x
    x = 1,941,252,641,717.67/1,578,493.22
  6. Step 6: Final answer
    x = 1,229,813.74

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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.