Home / 1,303,442.28-1,798,412.63-786,787.83

Finding the Fourth Proportional to 1,303,442.28, 1,798,412.63 and 786,787.83

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Solution

The fourth proportional to 1,303,442.28, 1,798,412.63 and 786,787.83 is: 1,085,563.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,442.28 : 1,798,412.63 = 786,787.83 : x
  2. Step 2: Convert to fraction form
    1,303,442.28/1,798,412.63 = 786,787.83/x
  3. Step 3: Cross multiply
    1,303,442.28x = 1,798,412.63 × 786,787.83
  4. Step 4: Simplify right side
    1,303,442.28x = 1,414,969,166,668.35
  5. Step 5: Solve for x
    x = 1,414,969,166,668.35/1,303,442.28
  6. Step 6: Final answer
    x = 1,085,563.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.