Home / 1,139,530.20-1,573,035.89-710,022.54

Finding the Fourth Proportional to 1,139,530.20, 1,573,035.89 and 710,022.54

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Solution

The fourth proportional to 1,139,530.20, 1,573,035.89 and 710,022.54 is: 980,132.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,530.20 : 1,573,035.89 = 710,022.54 : x
  2. Step 2: Convert to fraction form
    1,139,530.20/1,573,035.89 = 710,022.54/x
  3. Step 3: Cross multiply
    1,139,530.20x = 1,573,035.89 × 710,022.54
  4. Step 4: Simplify right side
    1,139,530.20x = 1,116,890,938,128.96
  5. Step 5: Solve for x
    x = 1,116,890,938,128.96/1,139,530.20
  6. Step 6: Final answer
    x = 980,132.81

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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.