Home / 1,402,696.77-1,936,425.47-920,001.57

Finding the Fourth Proportional to 1,402,696.77, 1,936,425.47 and 920,001.57

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Solution

The fourth proportional to 1,402,696.77, 1,936,425.47 and 920,001.57 is: 1,270,063.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,696.77 : 1,936,425.47 = 920,001.57 : x
  2. Step 2: Convert to fraction form
    1,402,696.77/1,936,425.47 = 920,001.57/x
  3. Step 3: Cross multiply
    1,402,696.77x = 1,936,425.47 × 920,001.57
  4. Step 4: Simplify right side
    1,402,696.77x = 1,781,514,467,987.98
  5. Step 5: Solve for x
    x = 1,781,514,467,987.98/1,402,696.77
  6. Step 6: Final answer
    x = 1,270,063.86

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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.