Home / 1,370,881.07-1,891,220.29-826,714.47

Finding the Fourth Proportional to 1,370,881.07, 1,891,220.29 and 826,714.47

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Solution

The fourth proportional to 1,370,881.07, 1,891,220.29 and 826,714.47 is: 1,140,506.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,881.07 : 1,891,220.29 = 826,714.47 : x
  2. Step 2: Convert to fraction form
    1,370,881.07/1,891,220.29 = 826,714.47/x
  3. Step 3: Cross multiply
    1,370,881.07x = 1,891,220.29 × 826,714.47
  4. Step 4: Simplify right side
    1,370,881.07x = 1,563,499,174,087.77
  5. Step 5: Solve for x
    x = 1,563,499,174,087.77/1,370,881.07
  6. Step 6: Final answer
    x = 1,140,506.79

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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.