Home / 1,055,980.77-1,457,272.37-572,562.21

Finding the Fourth Proportional to 1,055,980.77, 1,457,272.37 and 572,562.21

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Solution

The fourth proportional to 1,055,980.77, 1,457,272.37 and 572,562.21 is: 790,146.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,980.77 : 1,457,272.37 = 572,562.21 : x
  2. Step 2: Convert to fraction form
    1,055,980.77/1,457,272.37 = 572,562.21/x
  3. Step 3: Cross multiply
    1,055,980.77x = 1,457,272.37 × 572,562.21
  4. Step 4: Simplify right side
    1,055,980.77x = 834,379,085,876.33
  5. Step 5: Solve for x
    x = 834,379,085,876.33/1,055,980.77
  6. Step 6: Final answer
    x = 790,146.10

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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.