Home / 1,522,948.80-2,101,402.86-869,276.36

Finding the Fourth Proportional to 1,522,948.80, 2,101,402.86 and 869,276.36

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Solution

The fourth proportional to 1,522,948.80, 2,101,402.86 and 869,276.36 is: 1,199,449.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522,948.80 : 2,101,402.86 = 869,276.36 : x
  2. Step 2: Convert to fraction form
    1,522,948.80/2,101,402.86 = 869,276.36/x
  3. Step 3: Cross multiply
    1,522,948.80x = 2,101,402.86 × 869,276.36
  4. Step 4: Simplify right side
    1,522,948.80x = 1,826,699,829,034.39
  5. Step 5: Solve for x
    x = 1,826,699,829,034.39/1,522,948.80
  6. Step 6: Final answer
    x = 1,199,449.27

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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.