Home / 1,215,837.36-1,678,063.91-706,834.98

Finding the Fourth Proportional to 1,215,837.36, 1,678,063.91 and 706,834.98

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Solution

The fourth proportional to 1,215,837.36, 1,678,063.91 and 706,834.98 is: 975,553.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,837.36 : 1,678,063.91 = 706,834.98 : x
  2. Step 2: Convert to fraction form
    1,215,837.36/1,678,063.91 = 706,834.98/x
  3. Step 3: Cross multiply
    1,215,837.36x = 1,678,063.91 × 706,834.98
  4. Step 4: Simplify right side
    1,215,837.36x = 1,186,114,266,729.40
  5. Step 5: Solve for x
    x = 1,186,114,266,729.40/1,215,837.36
  6. Step 6: Final answer
    x = 975,553.40

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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.