Home / 1,138,037.23-1,570,472.80-621,780.01

Finding the Fourth Proportional to 1,138,037.23, 1,570,472.80 and 621,780.01

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Solution

The fourth proportional to 1,138,037.23, 1,570,472.80 and 621,780.01 is: 858,046.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,037.23 : 1,570,472.80 = 621,780.01 : x
  2. Step 2: Convert to fraction form
    1,138,037.23/1,570,472.80 = 621,780.01/x
  3. Step 3: Cross multiply
    1,138,037.23x = 1,570,472.80 × 621,780.01
  4. Step 4: Simplify right side
    1,138,037.23x = 976,488,590,179.83
  5. Step 5: Solve for x
    x = 976,488,590,179.83/1,138,037.23
  6. Step 6: Final answer
    x = 858,046.26

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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.