Home / 1,289,407.32-1,934,108.64-342,777.96

Finding the Fourth Proportional to 1,289,407.32, 1,934,108.64 and 342,777.96

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Solution

The fourth proportional to 1,289,407.32, 1,934,108.64 and 342,777.96 is: 514,166.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,407.32 : 1,934,108.64 = 342,777.96 : x
  2. Step 2: Convert to fraction form
    1,289,407.32/1,934,108.64 = 342,777.96/x
  3. Step 3: Cross multiply
    1,289,407.32x = 1,934,108.64 × 342,777.96
  4. Step 4: Simplify right side
    1,289,407.32x = 662,969,814,037.58
  5. Step 5: Solve for x
    x = 662,969,814,037.58/1,289,407.32
  6. Step 6: Final answer
    x = 514,166.32

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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.