Home / 1,427,114.50-2,140,560.05-402,403.39

Finding the Fourth Proportional to 1,427,114.50, 2,140,560.05 and 402,403.39

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Solution

The fourth proportional to 1,427,114.50, 2,140,560.05 and 402,403.39 is: 603,573.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,114.50 : 2,140,560.05 = 402,403.39 : x
  2. Step 2: Convert to fraction form
    1,427,114.50/2,140,560.05 = 402,403.39/x
  3. Step 3: Cross multiply
    1,427,114.50x = 2,140,560.05 × 402,403.39
  4. Step 4: Simplify right side
    1,427,114.50x = 861,368,609,915.77
  5. Step 5: Solve for x
    x = 861,368,609,915.77/1,427,114.50
  6. Step 6: Final answer
    x = 603,573.58

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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.