Home / 1,575,778.38-2,364,405.66-776,624.28

Finding the Fourth Proportional to 1,575,778.38, 2,364,405.66 and 776,624.28

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Solution

The fourth proportional to 1,575,778.38, 2,364,405.66 and 776,624.28 is: 1,165,300.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575,778.38 : 2,364,405.66 = 776,624.28 : x
  2. Step 2: Convert to fraction form
    1,575,778.38/2,364,405.66 = 776,624.28/x
  3. Step 3: Cross multiply
    1,575,778.38x = 2,364,405.66 × 776,624.28
  4. Step 4: Simplify right side
    1,575,778.38x = 1,836,254,843,325.43
  5. Step 5: Solve for x
    x = 1,836,254,843,325.43/1,575,778.38
  6. Step 6: Final answer
    x = 1,165,300.19

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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.