Home / 1,539,982.40-2,309,930.40-698,532.80

Finding the Fourth Proportional to 1,539,982.40, 2,309,930.40 and 698,532.80

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Solution

The fourth proportional to 1,539,982.40, 2,309,930.40 and 698,532.80 is: 1,047,779.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,982.40 : 2,309,930.40 = 698,532.80 : x
  2. Step 2: Convert to fraction form
    1,539,982.40/2,309,930.40 = 698,532.80/x
  3. Step 3: Cross multiply
    1,539,982.40x = 2,309,930.40 × 698,532.80
  4. Step 4: Simplify right side
    1,539,982.40x = 1,613,562,150,117.12
  5. Step 5: Solve for x
    x = 1,613,562,150,117.12/1,539,982.40
  6. Step 6: Final answer
    x = 1,047,779.60

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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.