Home / 1,366,849.40-2,050,274.10-1,288,117.40

Finding the Fourth Proportional to 1,366,849.40, 2,050,274.10 and 1,288,117.40

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Solution

The fourth proportional to 1,366,849.40, 2,050,274.10 and 1,288,117.40 is: 1,932,176.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,849.40 : 2,050,274.10 = 1,288,117.40 : x
  2. Step 2: Convert to fraction form
    1,366,849.40/2,050,274.10 = 1,288,117.40/x
  3. Step 3: Cross multiply
    1,366,849.40x = 2,050,274.10 × 1,288,117.40
  4. Step 4: Simplify right side
    1,366,849.40x = 2,640,993,742,979.34
  5. Step 5: Solve for x
    x = 2,640,993,742,979.34/1,366,849.40
  6. Step 6: Final answer
    x = 1,932,176.10

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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.