Home / 1,169,857.26-1,754,785.90-421,903.26

Finding the Fourth Proportional to 1,169,857.26, 1,754,785.90 and 421,903.26

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Solution

The fourth proportional to 1,169,857.26, 1,754,785.90 and 421,903.26 is: 632,854.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,857.26 : 1,754,785.90 = 421,903.26 : x
  2. Step 2: Convert to fraction form
    1,169,857.26/1,754,785.90 = 421,903.26/x
  3. Step 3: Cross multiply
    1,169,857.26x = 1,754,785.90 × 421,903.26
  4. Step 4: Simplify right side
    1,169,857.26x = 740,349,891,812.03
  5. Step 5: Solve for x
    x = 740,349,891,812.03/1,169,857.26
  6. Step 6: Final answer
    x = 632,854.89

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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.