Home / 1,683,986.10-2,525,979.15-1,012,139.70

Finding the Fourth Proportional to 1,683,986.10, 2,525,979.15 and 1,012,139.70

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Solution

The fourth proportional to 1,683,986.10, 2,525,979.15 and 1,012,139.70 is: 1,518,209.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,986.10 : 2,525,979.15 = 1,012,139.70 : x
  2. Step 2: Convert to fraction form
    1,683,986.10/2,525,979.15 = 1,012,139.70/x
  3. Step 3: Cross multiply
    1,683,986.10x = 2,525,979.15 × 1,012,139.70
  4. Step 4: Simplify right side
    1,683,986.10x = 2,556,643,779,087.26
  5. Step 5: Solve for x
    x = 2,556,643,779,087.26/1,683,986.10
  6. Step 6: Final answer
    x = 1,518,209.55

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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.