Home / 1,126,669.80-1,689,827.90-368,505.16

Finding the Fourth Proportional to 1,126,669.80, 1,689,827.90 and 368,505.16

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Solution

The fourth proportional to 1,126,669.80, 1,689,827.90 and 368,505.16 is: 552,699.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,669.80 : 1,689,827.90 = 368,505.16 : x
  2. Step 2: Convert to fraction form
    1,126,669.80/1,689,827.90 = 368,505.16/x
  3. Step 3: Cross multiply
    1,126,669.80x = 1,689,827.90 × 368,505.16
  4. Step 4: Simplify right side
    1,126,669.80x = 622,710,300,661.96
  5. Step 5: Solve for x
    x = 622,710,300,661.96/1,126,669.80
  6. Step 6: Final answer
    x = 552,699.91

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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.