Home / 1,012,866.74-1,397,943.09-650,743.28

Finding the Fourth Proportional to 1,012,866.74, 1,397,943.09 and 650,743.28

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Solution

The fourth proportional to 1,012,866.74, 1,397,943.09 and 650,743.28 is: 898,145.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,866.74 : 1,397,943.09 = 650,743.28 : x
  2. Step 2: Convert to fraction form
    1,012,866.74/1,397,943.09 = 650,743.28/x
  3. Step 3: Cross multiply
    1,012,866.74x = 1,397,943.09 × 650,743.28
  4. Step 4: Simplify right side
    1,012,866.74x = 909,702,071,639.94
  5. Step 5: Solve for x
    x = 909,702,071,639.94/1,012,866.74
  6. Step 6: Final answer
    x = 898,145.86

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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.