Home / 1,336,502.30-2,005,329.45-776,015.90

Finding the Fourth Proportional to 1,336,502.30, 2,005,329.45 and 776,015.90

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Solution

The fourth proportional to 1,336,502.30, 2,005,329.45 and 776,015.90 is: 1,164,358.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,502.30 : 2,005,329.45 = 776,015.90 : x
  2. Step 2: Convert to fraction form
    1,336,502.30/2,005,329.45 = 776,015.90/x
  3. Step 3: Cross multiply
    1,336,502.30x = 2,005,329.45 × 776,015.90
  4. Step 4: Simplify right side
    1,336,502.30x = 1,556,167,537,938.26
  5. Step 5: Solve for x
    x = 1,556,167,537,938.26/1,336,502.30
  6. Step 6: Final answer
    x = 1,164,358.29

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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.