Home / 1,139,243.16-1,572,156.24-649,198.80

Finding the Fourth Proportional to 1,139,243.16, 1,572,156.24 and 649,198.80

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Solution

The fourth proportional to 1,139,243.16, 1,572,156.24 and 649,198.80 is: 895,894.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,243.16 : 1,572,156.24 = 649,198.80 : x
  2. Step 2: Convert to fraction form
    1,139,243.16/1,572,156.24 = 649,198.80/x
  3. Step 3: Cross multiply
    1,139,243.16x = 1,572,156.24 × 649,198.80
  4. Step 4: Simplify right side
    1,139,243.16x = 1,020,641,944,420.51
  5. Step 5: Solve for x
    x = 1,020,641,944,420.51/1,139,243.16
  6. Step 6: Final answer
    x = 895,894.73

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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.