Home / 1,012,970.74-1,396,531.68-649,764.16

Finding the Fourth Proportional to 1,012,970.74, 1,396,531.68 and 649,764.16

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Solution

The fourth proportional to 1,012,970.74, 1,396,531.68 and 649,764.16 is: 895,797.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,970.74 : 1,396,531.68 = 649,764.16 : x
  2. Step 2: Convert to fraction form
    1,012,970.74/1,396,531.68 = 649,764.16/x
  3. Step 3: Cross multiply
    1,012,970.74x = 1,396,531.68 × 649,764.16
  4. Step 4: Simplify right side
    1,012,970.74x = 907,416,233,968.59
  5. Step 5: Solve for x
    x = 907,416,233,968.59/1,012,970.74
  6. Step 6: Final answer
    x = 895,797.08

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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.