Home / 1,540,006.40-2,309,966.40-698,556.80

Finding the Fourth Proportional to 1,540,006.40, 2,309,966.40 and 698,556.80

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Solution

The fourth proportional to 1,540,006.40, 2,309,966.40 and 698,556.80 is: 1,047,815.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,006.40 : 2,309,966.40 = 698,556.80 : x
  2. Step 2: Convert to fraction form
    1,540,006.40/2,309,966.40 = 698,556.80/x
  3. Step 3: Cross multiply
    1,540,006.40x = 2,309,966.40 × 698,556.80
  4. Step 4: Simplify right side
    1,540,006.40x = 1,613,642,736,491.52
  5. Step 5: Solve for x
    x = 1,613,642,736,491.52/1,540,006.40
  6. Step 6: Final answer
    x = 1,047,815.60

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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.