Home / 1,012,588.43-1,396,713.66-649,437.08

Finding the Fourth Proportional to 1,012,588.43, 1,396,713.66 and 649,437.08

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Solution

The fourth proportional to 1,012,588.43, 1,396,713.66 and 649,437.08 is: 895,800.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,588.43 : 1,396,713.66 = 649,437.08 : x
  2. Step 2: Convert to fraction form
    1,012,588.43/1,396,713.66 = 649,437.08/x
  3. Step 3: Cross multiply
    1,012,588.43x = 1,396,713.66 × 649,437.08
  4. Step 4: Simplify right side
    1,012,588.43x = 907,077,640,946.51
  5. Step 5: Solve for x
    x = 907,077,640,946.51/1,012,588.43
  6. Step 6: Final answer
    x = 895,800.91

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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.