Home / 1,785,619.34-2,464,172.79-969,830.90

Finding the Fourth Proportional to 1,785,619.34, 2,464,172.79 and 969,830.90

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Solution

The fourth proportional to 1,785,619.34, 2,464,172.79 and 969,830.90 is: 1,338,376.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785,619.34 : 2,464,172.79 = 969,830.90 : x
  2. Step 2: Convert to fraction form
    1,785,619.34/2,464,172.79 = 969,830.90/x
  3. Step 3: Cross multiply
    1,785,619.34x = 2,464,172.79 × 969,830.90
  4. Step 4: Simplify right side
    1,785,619.34x = 2,389,830,914,681.21
  5. Step 5: Solve for x
    x = 2,389,830,914,681.21/1,785,619.34
  6. Step 6: Final answer
    x = 1,338,376.47

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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.