Home / 1,187,757.76-1,639,035.12-704,368.48

Finding the Fourth Proportional to 1,187,757.76, 1,639,035.12 and 704,368.48

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Solution

The fourth proportional to 1,187,757.76, 1,639,035.12 and 704,368.48 is: 971,986.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,757.76 : 1,639,035.12 = 704,368.48 : x
  2. Step 2: Convert to fraction form
    1,187,757.76/1,639,035.12 = 704,368.48/x
  3. Step 3: Cross multiply
    1,187,757.76x = 1,639,035.12 × 704,368.48
  4. Step 4: Simplify right side
    1,187,757.76x = 1,154,484,676,141.02
  5. Step 5: Solve for x
    x = 1,154,484,676,141.02/1,187,757.76
  6. Step 6: Final answer
    x = 971,986.64

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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.