Home / 1,699,516.80-2,544,026.40-987,429.60

Finding the Fourth Proportional to 1,699,516.80, 2,544,026.40 and 987,429.60

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Solution

The fourth proportional to 1,699,516.80, 2,544,026.40 and 987,429.60 is: 1,478,094.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699,516.80 : 2,544,026.40 = 987,429.60 : x
  2. Step 2: Convert to fraction form
    1,699,516.80/2,544,026.40 = 987,429.60/x
  3. Step 3: Cross multiply
    1,699,516.80x = 2,544,026.40 × 987,429.60
  4. Step 4: Simplify right side
    1,699,516.80x = 2,512,046,970,541.44
  5. Step 5: Solve for x
    x = 2,512,046,970,541.44/1,699,516.80
  6. Step 6: Final answer
    x = 1,478,094.82

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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.