Home / 1,317,149.34-1,817,750.07-807,782.46

Finding the Fourth Proportional to 1,317,149.34, 1,817,750.07 and 807,782.46

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Solution

The fourth proportional to 1,317,149.34, 1,817,750.07 and 807,782.46 is: 1,114,791.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,149.34 : 1,817,750.07 = 807,782.46 : x
  2. Step 2: Convert to fraction form
    1,317,149.34/1,817,750.07 = 807,782.46/x
  3. Step 3: Cross multiply
    1,317,149.34x = 1,817,750.07 × 807,782.46
  4. Step 4: Simplify right side
    1,317,149.34x = 1,468,346,623,209.77
  5. Step 5: Solve for x
    x = 1,468,346,623,209.77/1,317,149.34
  6. Step 6: Final answer
    x = 1,114,791.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.