Home / 1,288,594.64-1,932,741.82-342,038.92

Finding the Fourth Proportional to 1,288,594.64, 1,932,741.82 and 342,038.92

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Solution

The fourth proportional to 1,288,594.64, 1,932,741.82 and 342,038.92 is: 513,018.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,594.64 : 1,932,741.82 = 342,038.92 : x
  2. Step 2: Convert to fraction form
    1,288,594.64/1,932,741.82 = 342,038.92/x
  3. Step 3: Cross multiply
    1,288,594.64x = 1,932,741.82 × 342,038.92
  4. Step 4: Simplify right side
    1,288,594.64x = 661,072,924,751.63
  5. Step 5: Solve for x
    x = 661,072,924,751.63/1,288,594.64
  6. Step 6: Final answer
    x = 513,018.53

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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.