Home / 1,628,045.64-2,443,532.10-870,534.57

Finding the Fourth Proportional to 1,628,045.64, 2,443,532.10 and 870,534.57

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Solution

The fourth proportional to 1,628,045.64, 2,443,532.10 and 870,534.57 is: 1,306,584.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,045.64 : 2,443,532.10 = 870,534.57 : x
  2. Step 2: Convert to fraction form
    1,628,045.64/2,443,532.10 = 870,534.57/x
  3. Step 3: Cross multiply
    1,628,045.64x = 2,443,532.10 × 870,534.57
  4. Step 4: Simplify right side
    1,628,045.64x = 2,127,179,165,954.70
  5. Step 5: Solve for x
    x = 2,127,179,165,954.70/1,628,045.64
  6. Step 6: Final answer
    x = 1,306,584.48

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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.