Home / 1,536,238.02-2,120,006.84-857,174.52

Finding the Fourth Proportional to 1,536,238.02, 2,120,006.84 and 857,174.52

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Solution

The fourth proportional to 1,536,238.02, 2,120,006.84 and 857,174.52 is: 1,182,899.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,238.02 : 2,120,006.84 = 857,174.52 : x
  2. Step 2: Convert to fraction form
    1,536,238.02/2,120,006.84 = 857,174.52/x
  3. Step 3: Cross multiply
    1,536,238.02x = 2,120,006.84 × 857,174.52
  4. Step 4: Simplify right side
    1,536,238.02x = 1,817,215,845,473.72
  5. Step 5: Solve for x
    x = 1,817,215,845,473.72/1,536,238.02
  6. Step 6: Final answer
    x = 1,182,899.93

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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.