Home / 1,213,893.20-1,822,808.10-879,282.20

Finding the Fourth Proportional to 1,213,893.20, 1,822,808.10 and 879,282.20

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Solution

The fourth proportional to 1,213,893.20, 1,822,808.10 and 879,282.20 is: 1,320,349.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,893.20 : 1,822,808.10 = 879,282.20 : x
  2. Step 2: Convert to fraction form
    1,213,893.20/1,822,808.10 = 879,282.20/x
  3. Step 3: Cross multiply
    1,213,893.20x = 1,822,808.10 × 879,282.20
  4. Step 4: Simplify right side
    1,213,893.20x = 1,602,762,716,345.82
  5. Step 5: Solve for x
    x = 1,602,762,716,345.82/1,213,893.20
  6. Step 6: Final answer
    x = 1,320,349.04

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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.