Home / 1,336,501.80-2,005,328.70-776,015.40

Finding the Fourth Proportional to 1,336,501.80, 2,005,328.70 and 776,015.40

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Solution

The fourth proportional to 1,336,501.80, 2,005,328.70 and 776,015.40 is: 1,164,357.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,501.80 : 2,005,328.70 = 776,015.40 : x
  2. Step 2: Convert to fraction form
    1,336,501.80/2,005,328.70 = 776,015.40/x
  3. Step 3: Cross multiply
    1,336,501.80x = 2,005,328.70 × 776,015.40
  4. Step 4: Simplify right side
    1,336,501.80x = 1,556,165,953,261.98
  5. Step 5: Solve for x
    x = 1,556,165,953,261.98/1,336,501.80
  6. Step 6: Final answer
    x = 1,164,357.54

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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.