Home / 1,562,978.36-2,156,433.90-874,578.80

Finding the Fourth Proportional to 1,562,978.36, 2,156,433.90 and 874,578.80

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Solution

The fourth proportional to 1,562,978.36, 2,156,433.90 and 874,578.80 is: 1,206,652.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562,978.36 : 2,156,433.90 = 874,578.80 : x
  2. Step 2: Convert to fraction form
    1,562,978.36/2,156,433.90 = 874,578.80/x
  3. Step 3: Cross multiply
    1,562,978.36x = 2,156,433.90 × 874,578.80
  4. Step 4: Simplify right side
    1,562,978.36x = 1,885,971,372,541.32
  5. Step 5: Solve for x
    x = 1,885,971,372,541.32/1,562,978.36
  6. Step 6: Final answer
    x = 1,206,652.26

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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.