Home / 1,408,335.80-1,943,585.36-788,135.72

Finding the Fourth Proportional to 1,408,335.80, 1,943,585.36 and 788,135.72

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Solution

The fourth proportional to 1,408,335.80, 1,943,585.36 and 788,135.72 is: 1,087,673.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,335.80 : 1,943,585.36 = 788,135.72 : x
  2. Step 2: Convert to fraction form
    1,408,335.80/1,943,585.36 = 788,135.72/x
  3. Step 3: Cross multiply
    1,408,335.80x = 1,943,585.36 × 788,135.72
  4. Step 4: Simplify right side
    1,408,335.80x = 1,531,809,047,085.06
  5. Step 5: Solve for x
    x = 1,531,809,047,085.06/1,408,335.80
  6. Step 6: Final answer
    x = 1,087,673.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.