Home / 1,408,327.80-1,943,574.31-788,127.73

Finding the Fourth Proportional to 1,408,327.80, 1,943,574.31 and 788,127.73

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Solution

The fourth proportional to 1,408,327.80, 1,943,574.31 and 788,127.73 is: 1,087,662.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,327.80 : 1,943,574.31 = 788,127.73 : x
  2. Step 2: Convert to fraction form
    1,408,327.80/1,943,574.31 = 788,127.73/x
  3. Step 3: Cross multiply
    1,408,327.80x = 1,943,574.31 × 788,127.73
  4. Step 4: Simplify right side
    1,408,327.80x = 1,531,784,803,386.35
  5. Step 5: Solve for x
    x = 1,531,784,803,386.35/1,408,327.80
  6. Step 6: Final answer
    x = 1,087,662.12

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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.