Home / 1,078,880.40-1,616,967.38-572,190.77

Finding the Fourth Proportional to 1,078,880.40, 1,616,967.38 and 572,190.77

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Solution

The fourth proportional to 1,078,880.40, 1,616,967.38 and 572,190.77 is: 857,568.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,880.40 : 1,616,967.38 = 572,190.77 : x
  2. Step 2: Convert to fraction form
    1,078,880.40/1,616,967.38 = 572,190.77/x
  3. Step 3: Cross multiply
    1,078,880.40x = 1,616,967.38 × 572,190.77
  4. Step 4: Simplify right side
    1,078,880.40x = 925,213,808,796.61
  5. Step 5: Solve for x
    x = 925,213,808,796.61/1,078,880.40
  6. Step 6: Final answer
    x = 857,568.47

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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.