Home / 1,187,262.12-1,780,868.22-288,708.48

Finding the Fourth Proportional to 1,187,262.12, 1,780,868.22 and 288,708.48

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Solution

The fourth proportional to 1,187,262.12, 1,780,868.22 and 288,708.48 is: 433,056.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,262.12 : 1,780,868.22 = 288,708.48 : x
  2. Step 2: Convert to fraction form
    1,187,262.12/1,780,868.22 = 288,708.48/x
  3. Step 3: Cross multiply
    1,187,262.12x = 1,780,868.22 × 288,708.48
  4. Step 4: Simplify right side
    1,187,262.12x = 514,151,756,876.51
  5. Step 5: Solve for x
    x = 514,151,756,876.51/1,187,262.12
  6. Step 6: Final answer
    x = 433,056.65

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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.