Home / 1,247,451.12-1,721,411.85-703,554.39

Finding the Fourth Proportional to 1,247,451.12, 1,721,411.85 and 703,554.39

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Solution

The fourth proportional to 1,247,451.12, 1,721,411.85 and 703,554.39 is: 970,865.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,451.12 : 1,721,411.85 = 703,554.39 : x
  2. Step 2: Convert to fraction form
    1,247,451.12/1,721,411.85 = 703,554.39/x
  3. Step 3: Cross multiply
    1,247,451.12x = 1,721,411.85 × 703,554.39
  4. Step 4: Simplify right side
    1,247,451.12x = 1,211,106,870,127.94
  5. Step 5: Solve for x
    x = 1,211,106,870,127.94/1,247,451.12
  6. Step 6: Final answer
    x = 970,865.19

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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.