Home / 1,282,342.14-1,920,985.20-1,042,726.50

Finding the Fourth Proportional to 1,282,342.14, 1,920,985.20 and 1,042,726.50

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Solution

The fourth proportional to 1,282,342.14, 1,920,985.20 and 1,042,726.50 is: 1,562,034.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,342.14 : 1,920,985.20 = 1,042,726.50 : x
  2. Step 2: Convert to fraction form
    1,282,342.14/1,920,985.20 = 1,042,726.50/x
  3. Step 3: Cross multiply
    1,282,342.14x = 1,920,985.20 × 1,042,726.50
  4. Step 4: Simplify right side
    1,282,342.14x = 2,003,062,174,147.80
  5. Step 5: Solve for x
    x = 2,003,062,174,147.80/1,282,342.14
  6. Step 6: Final answer
    x = 1,562,034.12

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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.