Home / 1,249,643.70-1,874,465.55-1,200,654.90

Finding the Fourth Proportional to 1,249,643.70, 1,874,465.55 and 1,200,654.90

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Solution

The fourth proportional to 1,249,643.70, 1,874,465.55 and 1,200,654.90 is: 1,800,982.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,643.70 : 1,874,465.55 = 1,200,654.90 : x
  2. Step 2: Convert to fraction form
    1,249,643.70/1,874,465.55 = 1,200,654.90/x
  3. Step 3: Cross multiply
    1,249,643.70x = 1,874,465.55 × 1,200,654.90
  4. Step 4: Simplify right side
    1,249,643.70x = 2,250,586,247,488.69
  5. Step 5: Solve for x
    x = 2,250,586,247,488.69/1,249,643.70
  6. Step 6: Final answer
    x = 1,800,982.35

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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.