Home / 1,130,511.72-1,560,088.14-621,203.16

Finding the Fourth Proportional to 1,130,511.72, 1,560,088.14 and 621,203.16

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Solution

The fourth proportional to 1,130,511.72, 1,560,088.14 and 621,203.16 is: 857,250.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,511.72 : 1,560,088.14 = 621,203.16 : x
  2. Step 2: Convert to fraction form
    1,130,511.72/1,560,088.14 = 621,203.16/x
  3. Step 3: Cross multiply
    1,130,511.72x = 1,560,088.14 × 621,203.16
  4. Step 4: Simplify right side
    1,130,511.72x = 969,131,682,446.52
  5. Step 5: Solve for x
    x = 969,131,682,446.52/1,130,511.72
  6. Step 6: Final answer
    x = 857,250.45

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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.