Home / 1,628,049.64-2,443,538.10-870,538.57

Finding the Fourth Proportional to 1,628,049.64, 2,443,538.10 and 870,538.57

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Solution

The fourth proportional to 1,628,049.64, 2,443,538.10 and 870,538.57 is: 1,306,590.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,049.64 : 2,443,538.10 = 870,538.57 : x
  2. Step 2: Convert to fraction form
    1,628,049.64/2,443,538.10 = 870,538.57/x
  3. Step 3: Cross multiply
    1,628,049.64x = 2,443,538.10 × 870,538.57
  4. Step 4: Simplify right side
    1,628,049.64x = 2,127,194,163,314.52
  5. Step 5: Solve for x
    x = 2,127,194,163,314.52/1,628,049.64
  6. Step 6: Final answer
    x = 1,306,590.48

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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.