Home / 1,438,189.20-1,984,623.84-793,483.20

Finding the Fourth Proportional to 1,438,189.20, 1,984,623.84 and 793,483.20

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Solution

The fourth proportional to 1,438,189.20, 1,984,623.84 and 793,483.20 is: 1,094,964.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,189.20 : 1,984,623.84 = 793,483.20 : x
  2. Step 2: Convert to fraction form
    1,438,189.20/1,984,623.84 = 793,483.20/x
  3. Step 3: Cross multiply
    1,438,189.20x = 1,984,623.84 × 793,483.20
  4. Step 4: Simplify right side
    1,438,189.20x = 1,574,765,675,359.49
  5. Step 5: Solve for x
    x = 1,574,765,675,359.49/1,438,189.20
  6. Step 6: Final answer
    x = 1,094,964.19

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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.