Home / 1,139,529.46-1,573,034.85-710,021.79

Finding the Fourth Proportional to 1,139,529.46, 1,573,034.85 and 710,021.79

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Solution

The fourth proportional to 1,139,529.46, 1,573,034.85 and 710,021.79 is: 980,131.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,529.46 : 1,573,034.85 = 710,021.79 : x
  2. Step 2: Convert to fraction form
    1,139,529.46/1,573,034.85 = 710,021.79/x
  3. Step 3: Cross multiply
    1,139,529.46x = 1,573,034.85 × 710,021.79
  4. Step 4: Simplify right side
    1,139,529.46x = 1,116,889,016,379.27
  5. Step 5: Solve for x
    x = 1,116,889,016,379.27/1,139,529.46
  6. Step 6: Final answer
    x = 980,131.77

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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.