Home / 1,986,145.70-2,979,218.55-490,237.70

Finding the Fourth Proportional to 1,986,145.70, 2,979,218.55 and 490,237.70

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Solution

The fourth proportional to 1,986,145.70, 2,979,218.55 and 490,237.70 is: 735,356.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,145.70 : 2,979,218.55 = 490,237.70 : x
  2. Step 2: Convert to fraction form
    1,986,145.70/2,979,218.55 = 490,237.70/x
  3. Step 3: Cross multiply
    1,986,145.70x = 2,979,218.55 × 490,237.70
  4. Step 4: Simplify right side
    1,986,145.70x = 1,460,525,249,749.34
  5. Step 5: Solve for x
    x = 1,460,525,249,749.34/1,986,145.70
  6. Step 6: Final answer
    x = 735,356.55

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Similar ratio
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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.