Home / 1,538,980.16-2,123,752.80-859,922.24

Finding the Fourth Proportional to 1,538,980.16, 2,123,752.80 and 859,922.24

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Solution

The fourth proportional to 1,538,980.16, 2,123,752.80 and 859,922.24 is: 1,186,670.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,980.16 : 2,123,752.80 = 859,922.24 : x
  2. Step 2: Convert to fraction form
    1,538,980.16/2,123,752.80 = 859,922.24/x
  3. Step 3: Cross multiply
    1,538,980.16x = 2,123,752.80 × 859,922.24
  4. Step 4: Simplify right side
    1,538,980.16x = 1,826,262,264,982.27
  5. Step 5: Solve for x
    x = 1,826,262,264,982.27/1,538,980.16
  6. Step 6: Final answer
    x = 1,186,670.44

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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.