Home / 1,130,862.56-1,560,570.32-621,564.80

Finding the Fourth Proportional to 1,130,862.56, 1,560,570.32 and 621,564.80

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Solution

The fourth proportional to 1,130,862.56, 1,560,570.32 and 621,564.80 is: 857,748.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,862.56 : 1,560,570.32 = 621,564.80 : x
  2. Step 2: Convert to fraction form
    1,130,862.56/1,560,570.32 = 621,564.80/x
  3. Step 3: Cross multiply
    1,130,862.56x = 1,560,570.32 × 621,564.80
  4. Step 4: Simplify right side
    1,130,862.56x = 969,995,578,836.74
  5. Step 5: Solve for x
    x = 969,995,578,836.74/1,130,862.56
  6. Step 6: Final answer
    x = 857,748.42

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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.