Home / 729,187.07-1,092,205.94-711,341.15

Finding the Fourth Proportional to 729,187.07, 1,092,205.94 and 711,341.15

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Solution

The fourth proportional to 729,187.07, 1,092,205.94 and 711,341.15 is: 1,065,475.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,187.07 : 1,092,205.94 = 711,341.15 : x
  2. Step 2: Convert to fraction form
    729,187.07/1,092,205.94 = 711,341.15/x
  3. Step 3: Cross multiply
    729,187.07x = 1,092,205.94 × 711,341.15
  4. Step 4: Simplify right side
    729,187.07x = 776,931,020,378.70
  5. Step 5: Solve for x
    x = 776,931,020,378.70/729,187.07
  6. Step 6: Final answer
    x = 1,065,475.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.