Home / 1,187,804.35-1,781,688.00-289,244.57

Finding the Fourth Proportional to 1,187,804.35, 1,781,688.00 and 289,244.57

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Solution

The fourth proportional to 1,187,804.35, 1,781,688.00 and 289,244.57 is: 433,862.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,804.35 : 1,781,688.00 = 289,244.57 : x
  2. Step 2: Convert to fraction form
    1,187,804.35/1,781,688.00 = 289,244.57/x
  3. Step 3: Cross multiply
    1,187,804.35x = 1,781,688.00 × 289,244.57
  4. Step 4: Simplify right side
    1,187,804.35x = 515,343,580,005.38
  5. Step 5: Solve for x
    x = 515,343,580,005.38/1,187,804.35
  6. Step 6: Final answer
    x = 433,862.34

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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.