Home / 1,079,804.50-1,490,130.33-627,124.66

Finding the Fourth Proportional to 1,079,804.50, 1,490,130.33 and 627,124.66

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Solution

The fourth proportional to 1,079,804.50, 1,490,130.33 and 627,124.66 is: 865,432.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,804.50 : 1,490,130.33 = 627,124.66 : x
  2. Step 2: Convert to fraction form
    1,079,804.50/1,490,130.33 = 627,124.66/x
  3. Step 3: Cross multiply
    1,079,804.50x = 1,490,130.33 × 627,124.66
  4. Step 4: Simplify right side
    1,079,804.50x = 934,497,476,556.94
  5. Step 5: Solve for x
    x = 934,497,476,556.94/1,079,804.50
  6. Step 6: Final answer
    x = 865,432.10

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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.