Home / 1,681,435.69-2,320,437.26-917,531.17

Finding the Fourth Proportional to 1,681,435.69, 2,320,437.26 and 917,531.17

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Solution

The fourth proportional to 1,681,435.69, 2,320,437.26 and 917,531.17 is: 1,266,223.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,435.69 : 2,320,437.26 = 917,531.17 : x
  2. Step 2: Convert to fraction form
    1,681,435.69/2,320,437.26 = 917,531.17/x
  3. Step 3: Cross multiply
    1,681,435.69x = 2,320,437.26 × 917,531.17
  4. Step 4: Simplify right side
    1,681,435.69x = 2,129,073,514,079.39
  5. Step 5: Solve for x
    x = 2,129,073,514,079.39/1,681,435.69
  6. Step 6: Final answer
    x = 1,266,223.58

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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.