Home / 1,116,230.40-1,673,308.80-779,270.40

Finding the Fourth Proportional to 1,116,230.40, 1,673,308.80 and 779,270.40

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Solution

The fourth proportional to 1,116,230.40, 1,673,308.80 and 779,270.40 is: 1,168,181.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,230.40 : 1,673,308.80 = 779,270.40 : x
  2. Step 2: Convert to fraction form
    1,116,230.40/1,673,308.80 = 779,270.40/x
  3. Step 3: Cross multiply
    1,116,230.40x = 1,673,308.80 × 779,270.40
  4. Step 4: Simplify right side
    1,116,230.40x = 1,303,960,017,899.52
  5. Step 5: Solve for x
    x = 1,303,960,017,899.52/1,116,230.40
  6. Step 6: Final answer
    x = 1,168,181.78

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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.