Home / 1,117,726.25-1,542,374.28-634,291.40

Finding the Fourth Proportional to 1,117,726.25, 1,542,374.28 and 634,291.40

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Solution

The fourth proportional to 1,117,726.25, 1,542,374.28 and 634,291.40 is: 875,272.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,726.25 : 1,542,374.28 = 634,291.40 : x
  2. Step 2: Convert to fraction form
    1,117,726.25/1,542,374.28 = 634,291.40/x
  3. Step 3: Cross multiply
    1,117,726.25x = 1,542,374.28 × 634,291.40
  4. Step 4: Simplify right side
    1,117,726.25x = 978,314,733,673.32
  5. Step 5: Solve for x
    x = 978,314,733,673.32/1,117,726.25
  6. Step 6: Final answer
    x = 875,272.22

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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.