Home / 1,431,650-1,975,626.66-787,065.50

Finding the Fourth Proportional to 1,431,650, 1,975,626.66 and 787,065.50

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Solution

The fourth proportional to 1,431,650, 1,975,626.66 and 787,065.50 is: 1,086,122.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,650 : 1,975,626.66 = 787,065.50 : x
  2. Step 2: Convert to fraction form
    1,431,650/1,975,626.66 = 787,065.50/x
  3. Step 3: Cross multiply
    1,431,650x = 1,975,626.66 × 787,065.50
  4. Step 4: Simplify right side
    1,431,650x = 1,554,947,584,966.23
  5. Step 5: Solve for x
    x = 1,554,947,584,966.23/1,431,650
  6. Step 6: Final answer
    x = 1,086,122.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.