Home / 1,377,021.80-2,065,532.70-1,282,543.40

Finding the Fourth Proportional to 1,377,021.80, 2,065,532.70 and 1,282,543.40

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Solution

The fourth proportional to 1,377,021.80, 2,065,532.70 and 1,282,543.40 is: 1,923,815.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,021.80 : 2,065,532.70 = 1,282,543.40 : x
  2. Step 2: Convert to fraction form
    1,377,021.80/2,065,532.70 = 1,282,543.40/x
  3. Step 3: Cross multiply
    1,377,021.80x = 2,065,532.70 × 1,282,543.40
  4. Step 4: Simplify right side
    1,377,021.80x = 2,649,135,331,869.18
  5. Step 5: Solve for x
    x = 2,649,135,331,869.18/1,377,021.80
  6. Step 6: Final answer
    x = 1,923,815.10

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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.