Home / 1,273,386.86-1,757,402.76-729,594.78

Finding the Fourth Proportional to 1,273,386.86, 1,757,402.76 and 729,594.78

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Solution

The fourth proportional to 1,273,386.86, 1,757,402.76 and 729,594.78 is: 1,006,914.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,386.86 : 1,757,402.76 = 729,594.78 : x
  2. Step 2: Convert to fraction form
    1,273,386.86/1,757,402.76 = 729,594.78/x
  3. Step 3: Cross multiply
    1,273,386.86x = 1,757,402.76 × 729,594.78
  4. Step 4: Simplify right side
    1,273,386.86x = 1,282,191,876,199.31
  5. Step 5: Solve for x
    x = 1,282,191,876,199.31/1,273,386.86
  6. Step 6: Final answer
    x = 1,006,914.64

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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.