Home / 1,123,295.40-1,684,943.10-703,391.40

Finding the Fourth Proportional to 1,123,295.40, 1,684,943.10 and 703,391.40

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Solution

The fourth proportional to 1,123,295.40, 1,684,943.10 and 703,391.40 is: 1,055,087.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,295.40 : 1,684,943.10 = 703,391.40 : x
  2. Step 2: Convert to fraction form
    1,123,295.40/1,684,943.10 = 703,391.40/x
  3. Step 3: Cross multiply
    1,123,295.40x = 1,684,943.10 × 703,391.40
  4. Step 4: Simplify right side
    1,123,295.40x = 1,185,174,486,029.34
  5. Step 5: Solve for x
    x = 1,185,174,486,029.34/1,123,295.40
  6. Step 6: Final answer
    x = 1,055,087.10

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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.