Home / 1,523,913.60-2,102,919.96-870,411.30

Finding the Fourth Proportional to 1,523,913.60, 2,102,919.96 and 870,411.30

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Solution

The fourth proportional to 1,523,913.60, 2,102,919.96 and 870,411.30 is: 1,201,121.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523,913.60 : 2,102,919.96 = 870,411.30 : x
  2. Step 2: Convert to fraction form
    1,523,913.60/2,102,919.96 = 870,411.30/x
  3. Step 3: Cross multiply
    1,523,913.60x = 2,102,919.96 × 870,411.30
  4. Step 4: Simplify right side
    1,523,913.60x = 1,830,405,296,179.55
  5. Step 5: Solve for x
    x = 1,830,405,296,179.55/1,523,913.60
  6. Step 6: Final answer
    x = 1,201,121.44

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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.