Home / 1,139,530.21-1,573,035.89-710,022.55

Finding the Fourth Proportional to 1,139,530.21, 1,573,035.89 and 710,022.55

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Solution

The fourth proportional to 1,139,530.21, 1,573,035.89 and 710,022.55 is: 980,132.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,530.21 : 1,573,035.89 = 710,022.55 : x
  2. Step 2: Convert to fraction form
    1,139,530.21/1,573,035.89 = 710,022.55/x
  3. Step 3: Cross multiply
    1,139,530.21x = 1,573,035.89 × 710,022.55
  4. Step 4: Simplify right side
    1,139,530.21x = 1,116,890,942,444.03
  5. Step 5: Solve for x
    x = 1,116,890,942,444.03/1,139,530.21
  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.