Home / 1,133,665.76-1,564,342.98-698,013.92

Finding the Fourth Proportional to 1,133,665.76, 1,564,342.98 and 698,013.92

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Solution

The fourth proportional to 1,133,665.76, 1,564,342.98 and 698,013.92 is: 963,187.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,665.76 : 1,564,342.98 = 698,013.92 : x
  2. Step 2: Convert to fraction form
    1,133,665.76/1,564,342.98 = 698,013.92/x
  3. Step 3: Cross multiply
    1,133,665.76x = 1,564,342.98 × 698,013.92
  4. Step 4: Simplify right side
    1,133,665.76x = 1,091,933,175,694.28
  5. Step 5: Solve for x
    x = 1,091,933,175,694.28/1,133,665.76
  6. Step 6: Final answer
    x = 963,187.93

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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.