Home / 1,127,966.36-1,692,051.37-318,359.62

Finding the Fourth Proportional to 1,127,966.36, 1,692,051.37 and 318,359.62

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Solution

The fourth proportional to 1,127,966.36, 1,692,051.37 and 318,359.62 is: 477,568.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,966.36 : 1,692,051.37 = 318,359.62 : x
  2. Step 2: Convert to fraction form
    1,127,966.36/1,692,051.37 = 318,359.62/x
  3. Step 3: Cross multiply
    1,127,966.36x = 1,692,051.37 × 318,359.62
  4. Step 4: Simplify right side
    1,127,966.36x = 538,680,824,765.83
  5. Step 5: Solve for x
    x = 538,680,824,765.83/1,127,966.36
  6. Step 6: Final answer
    x = 477,568.16

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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.