Home / 1,533,943.80-2,300,915.70-787,447.80

Finding the Fourth Proportional to 1,533,943.80, 2,300,915.70 and 787,447.80

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Solution

The fourth proportional to 1,533,943.80, 2,300,915.70 and 787,447.80 is: 1,181,171.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,943.80 : 2,300,915.70 = 787,447.80 : x
  2. Step 2: Convert to fraction form
    1,533,943.80/2,300,915.70 = 787,447.80/x
  3. Step 3: Cross multiply
    1,533,943.80x = 2,300,915.70 × 787,447.80
  4. Step 4: Simplify right side
    1,533,943.80x = 1,811,851,005,950.46
  5. Step 5: Solve for x
    x = 1,811,851,005,950.46/1,533,943.80
  6. Step 6: Final answer
    x = 1,181,171.70

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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.