Home / 885,228.04-1,326,837.41-778,405.39

Finding the Fourth Proportional to 885,228.04, 1,326,837.41 and 778,405.39

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Solution

The fourth proportional to 885,228.04, 1,326,837.41 and 778,405.39 is: 1,166,724.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,228.04 : 1,326,837.41 = 778,405.39 : x
  2. Step 2: Convert to fraction form
    885,228.04/1,326,837.41 = 778,405.39/x
  3. Step 3: Cross multiply
    885,228.04x = 1,326,837.41 × 778,405.39
  4. Step 4: Simplify right side
    885,228.04x = 1,032,817,394,771
  5. Step 5: Solve for x
    x = 1,032,817,394,771/885,228.04
  6. Step 6: Final answer
    x = 1,166,724.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.